P-Bibliography

July 14, 2010

References

[1] Parosh Aziz Abdulla, Giorgio Delzanno, and Laurent Begin. On the qual-itative analysis of conformon P systems. In David Wolfe Corne, PierluigiFrisco, Gheorghe Paun, Grzegorz Rozenberg, and Arto Salomaa, edi-tors, Membrane Computing: 9th International Workshop, volume 5391of Lecture Notes in Computer Science, pages 78–94, 2009.

[2] Oana Agrigoroaiei and Gabriel Ciobanu. Dual P systems. In David WolfeCorne, Pierluigi Frisco, Gheorghe Paun, Grzegorz Rozenberg, and ArtoSalomaa, editors, Membrane Computing: 9th International Workshop,volume 5391 of Lecture Notes in Computer Science, pages 95–107, 2009.

[3] Joaquin Aguado, Tudor Balanescu, Tony Cowling, Marian Gheorghe,Mike Holcombe, and Florentin Ipate. P systems with replicated rewritingand stream X-Machines (Eilenberg, machines). Fundamenta Informat-icae, 49(1-3):17–33, January 2002. Special Issue: Membrane Comput-ing (WMC-CdeA2001) Guest Editor(s): Carlos Martın-Vide, GheorghePaun.

[4] Joaquın Aguado, Tudor Balanescu, Tony Cowling, Marian Gheorghe,and Florentin Ipate. P systems with replicated rewriting and stream X-Machines. Technical Report 17/01, Rovira i Virgili University, Tarrag-ona, Spain, 2001. Technical Report 17/01 of Research Group on Mathe-matical Linguistics.

[5] Joaquın Aguado, Tudor Balanescu, Tony Cowling, Marian Gheorghe,and Florentin Ipate. P systems with replicated rewriting and streamX-Machines. In Pre-Proceedings of Workshop on Membrane Computing,Curtea de Arges, Romania, August 2001.

[6] S. Aguzzoli, I.I. Ardelean, D. Besozzi, B. Gerla, and C. Manara. Psystems under uncertainty: the case of transmembrane proteins. InFirst brainstorming Workshop on Uncertainty in Membrane Computing,Palma de Mallorca, Spain, November 2004, 2004.

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[7] S. Aguzzoli, D. Besozzi, B. Gerla, and C. Manara. P systems with vagueboundaries: the t-norm approach. In First brainstorming Workshopon Uncertainty in Membrane Computing, Palma de Mallorca, Spain,November 2004, 2004.

[8] M. Alfonseca, C. Castaneda Marroquin, M. De La Cruz Echeandia,R. Nunez-Hervas, and A. Ortega de la Puente. Multithread java P sys-tems running on a cluster of computers. In Pre-Proc. of the sixth Work-shop on Membrane Computing, WMC6, Vienna, Austria, pages 94–101,2005.

[9] Gordon Alford. Membrane systems with heat control. In Pre-Proceedingsof Second Workshop on Membrane Computing, Curtea de Arges, Roma-nia, August 2002.

[10] Artiom Alhazov. Generating classes of languages by P systems andother devices. In Matteo Cavaliere, Carlos Martın-Vide, and GheorghePaun, editors, Brainstorming Week on Membrane Computing, Tarrag-ona, February 5-11 2003, pages 18–22, Tarragona, February 5-11 2003.

[11] Artiom Alhazov. Minimizing evolution-communication P systems andEC P automata. In Matteo Cavaliere, Carlos Martın-Vide, and Gheo-rghe Paun, editors, Brainstorming Week on Membrane Computing, Tar-ragona, February 5-11 2003, pages 23–31, Tarragona, Spain, February5-11 2003.

[12] Artiom Alhazov. Minimizing evolution-communication P systems andautomata. New Generation Computing, 22(4):299–310, August 2004.

[13] Artiom Alhazov. A note on P systems with activators. In Gheorghe Paun,Agustın Riscos-Nunez, Alvaro Romero-Jimenez, and Fernando Sancho-Caparrini, editors, Second Brainstorming Week on Membrane ComputingSevilla, Spain, February 2-7 2004, pages 16–19, Sevilla, Spain, February2-7 2004.

[14] Artiom Alhazov. On determinism of evolution-communication P systems.Journal of Universal Computer Science, 10(5):502–508, May 2004.

[15] Artiom Alhazov. On the power of deterministic EC P Systems. In Ghe-orghe Paun, Agustın Riscos-Nunez, Alvaro Romero-Jimenez, and Fer-nando Sancho-Caparrini, editors, Second Brainstorming Week on Mem-brane Computing Sevilla, Spain, February 2-7 2004, pages 11–15, Sevilla,Spain, February 2-7 2004.

[16] Artiom Alhazov. Maximally parallel multiset-rewriting systems: Brows-ing the configurations. In Miguel-Angel Gutierrez-Naranjo, AgustınRiscos-Nunez, Francisco-Jose Romero-Campero, and Dragos Sburlan, ed-itors, Proceedings of the Third Brainstorming Week on Membrane Com-puting, pages 1–10, Sevilla, Spain, 2005. Fenix Editora.

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[17] Artiom Alhazov. Number of proton/bi-stable catalysts and membranein P systems. Time freeness. In Rudolf Freund, Georg Lojka, MarionOswald, and Gheorghe Paun, editors, Pre-Proc. of the Sixth Workshopon Membrane Computing, pages 102–122, Vienna, Austria, 2005.

[18] Artiom Alhazov. Solving SAT by symport/antiport P systems with mem-brane division. In Miguel-Angel Gutierrez-Naranjo, Gheorghe Paun, andMario J. Perez-Jimenez, editors, Proceedings of the ESF ExploratoryWorkshop on Cellular Computing (Complexity Aspects), pages 1–6,Sevilla, Spain, 2005. Fenix Editora.

[19] Artiom Alhazov. Communication in Membrane Systems with SymbolObjects. PhD thesis, University of Sevilla, Spain, Sevilla, Spain, 2006.

[20] Artiom Alhazov. Minimal parallelism and number of membrane polar-izations. In Hendrik-Jan Hoogeboom, Gheorghe Paun, and GrzegorzRozenberg, editors, Pre-proceedings of Membrane Computing, Interna-tional Workshop, WMC7, pages 74–87, Leiden, The Netherlands, 2006.

[21] Artiom Alhazov. Number of proton/bi-stable catalysts and membrane inP systems. Time freeness. In Rudolf Freund, Gheorghe Paun, GrzegorzRozenberg, and Arto Salomaa, editors, Membrane Computing, 6th In-ternational Workshop, WMC 2005, Vienna, Austria, July 18-21, 2005,Revised Selected and Invited Papers, volume 3850 of Lecture Notes inComputer Science, pages 79–95. Springer, 2006.

[22] Artiom Alhazov. P systems without multiplicities of symbol-objects.Information Processing Letters, 100(3), November 2006.

[23] Artiom Alhazov. Ciliate operations without context in a membrane com-puting framework. Romanian Journal of Information Science and Tech-nology, 10(4):315–322, 2008.

[24] Artiom Alhazov, Elena Boian, Svetlana Cojocaru, and Yurii Rogozhin.Modelling inflections in Romanian language by P systems with stringreplication. Computer Science Journal of Moldova, 17(2(50)):160–178,2009.

[25] Artiom Alhazov, Elena Boian, Svetlana Cojocaru, and Yurii Rogozhin.Modelling inflections in Romanian language by P systems with stringreplication. In Gheorghe Paun, Mario J. Perez-Jimenez, and AgustınRiscos-Nunez, editors, Preproceedings of the Tenth Workshop on Mem-brane Computing, pages 116–128, Curtea de Arges, Romania, 2009.

[26] Artiom Alhazov, Cosmin Bonchis, Gabriel Ciobanu, and Cornel Izbasa.Encodings and arithmetic operations in P systems. In Miguel An-gel Gutierrez-Naranjo, Gheorghe Paun, Agustın Riscos-Nunez, andFrancisco-Jose Romero-Campero, editors, Fourth Brainstorming Weekon Membrane Computing, Sevilla January 30 - February 3, 2006. Vol-ume I, pages 1–28. Fenix Editora, 2006.

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[27] Artiom Alhazov, Liudmila Burtseva, Svetlana Cojocaru, and Yurii Ro-gozhin. Computing solutions of #P-complete problems by P systems withactive membranes. In Pierluigi Frisco, David Wolfe Corne, and Gheo-rghe Paun, editors, Preproceedings of the Ninth Workshop on MembraneComputing, pages 59–70, Edinburgh, UK, 2008.

[28] Artiom Alhazov, Liudmila Burtseva, Svetlana Cojocaru, and Yurii Ro-gozhin. Solving PP-complete and #P-complete problems by P systemswith active membranes. In David Wolfe Corne, Pierluigi Frisco, Gheo-rghe Paun, Grzegorz Rozenberg, and Arto Salomaa, editors, MembraneComputing: 9th International Workshop, volume 5391 of Lecture Notesin Computer Science, pages 108–117. Springer, 2009.

[29] Artiom Alhazov and Matteo Cavaliere. Proton pumping P systems. InArtiom Alhazov, Carlos Martın-Vide, and Gheorghe Paun, editors, Pre-proceedings of the Workshop on Membrane Computing, pages 1–16, Tar-ragona, July 17-22 2003.

[30] Artiom Alhazov and Matteo Cavaliere. Proton pumping P systems. InCarlos Martın-Vide, Giancarlo Mauri, Gheorghe Paun, Grzegorz Rozen-berg, and Arto Salomaa, editors, Membrane Computing, InternationalWorkshop, WMC 2003, Tarragona, Spain July, 17-22, 2003, RevisedPapers, volume 2933 of Lecture Notes in Computer Science, pages 1–18.Springer, July 2004.

[31] Artiom Alhazov and Matteo Cavaliere. Evolution-communication P sys-tems: Time-freeness. In Proceedings of the Third Brainstorming Week onMembrane Computing, pages 11–18, Sevilla, Spain, 2005. Fenix Editora.

[32] Artiom Alhazov, Constantin Ciubotaru, Yurii Rogozhin, and SergiuIvanov. The membrane systems language class. In 2009 LA WinterSymposium, pages 12–1–12–9, Kyoto, Japan, 2010.

[33] Artiom Alhazov, Svetlana Cojocaru, Ludmila Malahova, and Yurii Ro-gozhin. Dictionary search and update by P systems with string-objectsand active membranes. International Journal of Computers, Communi-cations and Control, IV(3):206–213, 2009.

[34] Artiom Alhazov, Svetlana Cojocaru, Ludmila Malahova, and Yurii Ro-gozhin. Dictionary search and update by P systems with string-objectsand active membranes. In Rosa Gutierrez-Escudero, Miguel-AngelGutierrez-Naranjo, Gheorghe Paun, Ignacio Perez-Hurtado, and AgustınRiscos-Nunez, editors, Seventh Brainstorming Week on Membrane Com-puting, volume 1, pages 1–8, Sevilla, Spain, February 2-6 2009.

[35] Artiom Alhazov and Mario de Jesus Perez-Jimenez. Uniform solu-tion to QSAT using polarizationless active membranes. In Miguel An-gel Gutierrez-Naranjo, Gheorghe Paun, Agustın Riscos-Nunez, andFrancisco-Jose Romero-Campero, editors, Fourth Brainstorming Week

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on Membrane Computing, Sevilla January 30 - February 3, 2006. Vol-ume I, pages 29–40. Fenix Editora, 2006.

[36] Artiom Alhazov and Mario de Jesus Perez-Jimenez. Uniform solutionof QSAT using polarizationless active membranes. In Jerome OlivierDurand-Lose and Maurice Margenstern, editors, Machines, Compu-tations, and Universality, 5th International Conference, MCU 2007,Orleans, France, September 10-13, 2007, Proceedings, volume 4664 ofLecture Notes in Computer Science, pages 122–133. Springer, 2007.

[37] Artiom Alhazov and Rudolf Freund. On the efficiency of P systems withactive membranes and two polarizations. In Giancarlo Mauri, GheorghePaun, and Claudio Zandron, editors, Pre-proceedings of the Fifth Work-shop on Membrane Computing, pages 81–94, Milano, Italy, June 2004.

[38] Artiom Alhazov and Rudolf Freund. On the efficiency of P systems withactive membranes and two polarizations. In Giancarlo Mauri, GheorghePaun, Mario J. Perez-Jimenez, Grzegorz Rozenberg, and Arto Salomaa,editors, International Workshop WMC5, Milano, Italy, 2004, volume3365 of Lecture Notes in Computer Science, pages 146–160. Springer,2005.

[39] Artiom Alhazov and Rudolf Freund. P systems with one membrane andsymport/antiport rules of five symbols are computationally complete. InProceedings of the Third Brainstorming Week on Membrane Computing,pages 19–28, Sevilla, Spain, 2005. Fenix Editora.

[40] Artiom Alhazov, Rudolf Freund, Alberto Leporati, Marion Oswald, andClaudio Zandron. (tissue) P systems with unit rules and energy as-signed to membranes. Fundamenta Informaticae, 74(4):391–408, Decem-ber 2006.

[41] Artiom Alhazov, Rudolf Freund, and Kenichi Morita. Reversibility anddeterminism in sequential multiset rewriting. In Cristian S. Calude,Masami Hagiya, Kenichi Morita, Grzegorz Rozenberg, and Jon Timmis,editors, Unconventional Computation: 9th International Conference, UC2010, Tokyo, Japan, June 21-25, 2010. Proceedings, volume 6079 of Lec-ture Notes in Computer Science, pages 21–31. Springer, 2010.

[42] Artiom Alhazov, Rudolf Freund, and Marion Oswald. Symbol / mem-brane complexity of P systems with symport / antiport rules. In RudolfFreund, Georg Lojka, Marion Oswald, and Gheorghe Paun, editors, Pre-Proc. of the Sixth Workshop on Membrane Computing, pages 123–146,Vienna, Austria, 2005.

[43] Artiom Alhazov, Rudolf Freund, and Marion Oswald. Tissue P systemswith antiport rules and small numbers of symbols and cells. In Cleliade Felice and Antonio Restivo, editors, Developments in Language The-ory, 9th International Conference, DLT 2005, Palermo, Italy, July 4-8,

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2005, Proceedings, volume 3572 of Lecture Notes in Computer Science,pages 100–111. Springer, 2005.

[44] Artiom Alhazov, Rudolf Freund, and Marion Oswald. Tissue P sys-tems with antiport rules and small numbers of symbols and cells. InProceedings of the ESF Exploratory Workshop on Cellular Computing(Complexity Aspects), pages 7–22, Sevilla, Spain, 2005. Fenix Editora.

[45] Artiom Alhazov, Rudolf Freund, and Marion Oswald. Cell/symbol com-plexity of tissue P systems with symport/antiport rules. InternationalJournal of Foundations of Computer Science, 17(1):3–25, February 2006.

[46] Artiom Alhazov, Rudolf Freund, and Marion Oswald. Symbol/membranecomplexity of P systems with symport/antiport rules. In Rudolf Freund,Gheorghe Paun, Grzegorz Rozenberg, and Arto Salomaa, editors, Mem-brane Computing, 6th International Workshop, WMC 2005, Vienna,Austria, July 18-21, 2005, Revised Selected and Invited Papers, volume3850 of Lecture Notes in Computer Science, pages 96–113. Springer, 2006.

[47] Artiom Alhazov, Rudolf Freund, Marion Oswald, and Marija Slavkovik.Extended spiking neural P systems. In Hendrik-Jan Hoogeboom, Ghe-orghe Paun, Grzegorz Rozenberg, and Arto Salomaa, editors, Mem-brane Computing, 7th International Workshop, WMC 2006, Leiden, TheNetherlands, July 17-21, 2006, Revised, Selected, and Invited Papers, vol-ume 4361 of Lecture Notes in Computer Science, pages 123–134. Springer,2006.

[48] Artiom Alhazov, Rudolf Freund, Marion Oswald, and Marija Slavkovik.Extended spiking neural p systems generating strings and vectors of non-negative integers. In Hendrik-Jan Hoogeboom, Gheorghe Paun, andGrzegorz Rozenberg, editors, Pre-proceedings of Membrane Computing,International Workshop, WMC7, pages 88–101, Leiden, The Nether-lands, 2006.

[49] Artiom Alhazov, Rudolf Freund, Marion Oswald, and Sergey Verlan. Par-tial halting in P systems using membrane rules with permitting contexts.In Jerome Olivier Durand-Lose and Maurice Margenstern, editors, Ma-chines, Computations, and Universality, 5th International Conference,MCU 2007, Orleans, France, September 10-13, 2007, Proceedings, vol-ume 4664 of Lecture Notes in Computer Science, pages 110–121. Springer,2007.

[50] Artiom Alhazov, Rudolf Freund, Marion Oswald, and Sergey Verlan.Partial versus total halting in P systems. In Miguel-Angel Gutierrez-Naranjo, Gheorghe Paun, Alvaro Romero-Jimenez, and Agustın Riscos-Nunez, editors, Proceedings of the Fifth Brainstorming Week on Mem-brane Computing, pages 1–20, Sevilla (Spain), January 29th - February2 2007. Fenix Editora.

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[51] Artiom Alhazov, Rudolf Freund, Marion Oswald, and Sergey Verlan. Par-tial halting and minimal parallelism based on arbitrary rule partitions.Fundamenta Informaticae, 91(1):17–34, April 2009.

[52] Artiom Alhazov, Rudolf Freund, and Gheorghe Paun. P systems withactive membranes and two polarizations. In Gheorghe Paun, AgustınRiscos-Nunez, Alvaro Romero-Jimenez, and Fernando Sancho-Caparrini,editors, Second Brainstorming Week on Membrane Computing Sevilla,Spain, February 2-7 2004, pages 20–36, Sevilla, Spain, February 2-7 2004.

[53] Artiom Alhazov, Rudolf Freund, and Gheorghe Paun. Computationalcompleteness of P systems with active membranes and two polariza-tions. In Maurice Margenstern, editor, Machines, Computations, andUniversality: 4th International Conference, MCU2004, Saint Petersburg,Russia, September 21-24, 2004, Revised Selected Papers, volume 3354 ofLecture Notes in Computer Science, pages 178–189. Springer, 2005.

[54] Artiom Alhazov, Rudolf Freund, and Agustın Riscos-Nunez. One andtwo polarizations, membrane creation and objects complexity in P sys-tems. In Seventh International Symposium on Symbolic and NumericAlgorithms for Scientific Computing, SYNASC 05, pages 385–394. IEEEComputer Society, 2005.

[55] Artiom Alhazov, Rudolf Freund, and Agustın Riscos-Nunez. One andtwo polarizations, membrane creation and objects complexity in P sys-tems. In Gabriel Ciobanu and Gheorghe Paun, editors, Pre-Proc. of FirstInternational Workshop on Theory and Application of P Systems, pages9–18, Timisoara, Romania, 2005.

[56] Artiom Alhazov, Rudolf Freund, and Agustın Riscos-Nunez. Membranedivision, restricted membrane creation and object complexity in P sys-tems. International Journal of Computer Mathematics, 83(7):529–548,2006.

[57] Artiom Alhazov, Rudolf Freund, and Yurii Rogozhin. Some optimalresults on symport/antiport P systems with minimal cooperation. InProceedings of the ESF Exploratory Workshop on Cellular Computing(Complexity Aspects), pages 23–36, Sevilla, Spain, 2005. Fenix Editora.

[58] Artiom Alhazov, Rudolf Freund, and Yurii Rogozhin. Computationalpower of symport/antiport: History, advances and open problems. InRudolf Freund, Gheorghe Paun, Grzegorz Rozenberg, and Arto Salomaa,editors, Membrane Computing, 6th International Workshop, WMC 2005,Vienna, Austria, July 18-21, 2005, Revised Selected and Invited Papers,volume 3850 of Lecture Notes in Computer Science, pages 1–30. Springer,2006.

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[59] Artiom Alhazov and Tseren-Onolt Ishdorj. Membrane operations in Psystems with active membranes. In Gheorghe Paun, Agustın Riscos-Nunez, Alvaro Romero-Jimenez, and Fernando Sancho-Caparrini, ed-itors, Second Brainstorming Week on Membrane Computing Sevilla,Spain, February 2-7 2004, pages 37–44, Sevilla, Spain, February 2-7 2004.

[60] Artiom Alhazov, Alexander Krassovitskiy, Yurii Rogozhin, and SergeyVerlan. A note on p systems with small-size insertion and deletion. InGheorghe Paun, Mario J. Perez-Jimenez, and Agustın Riscos-Nunez, ed-itors, Preproceedings of the Tenth Workshop on Membrane Computing,pages 534–537, Curtea de Arges, Romania, 2009.

[61] Artiom Alhazov, Alexander Krassovitskiy, Yurii Rogozhin, and SergeyVerlan. P systems with minimal insertion and deletion. In RosaGutierrez-Escudero, Miguel-Angel Gutierrez-Naranjo, Gheorghe Paun,Ignacio Perez-Hurtado, and Agustın Riscos-Nunez, editors, SeventhBrainstorming Week on Membrane Computing, volume 1, pages 9–21,Sevilla, Spain, February 2-6 2009.

[62] Artiom Alhazov, Maurice Margenstern, Vladimir Rogozhin, Yurii Ro-gozhin, and Sergey Verlan. Communicative P systems with minimal co-operation. In Giancarlo Mauri, Gheorghe Paun, Mario J. Perez-Jimenez,Grzegorz Rozenberg, and Arto Salomaa, editors, International WorkshopWMC5, Milano, Italy, 2004, volume 3365 of Lecture Notes in ComputerScience, pages 146–160. Springer, 2005.

[63] Artiom Alhazov, Maurice Margenstern, and Sergey Verlan. Fast syn-chronization in P systems. In Pierluigi Frisco, David Wolfe Corne, andGheorghe Paun, editors, Preproceedings of the Ninth Workshop on Mem-brane Computing, pages 71–84, Edinburgh, UK, 2008.

[64] Artiom Alhazov, Maurice Margenstern, and Sergey Verlan. Fast synchro-nization in P systems. In David Wolfe Corne, Pierluigi Frisco, GheorghePaun, Grzegorz Rozenberg, and Arto Salomaa, editors, Membrane Com-puting: 9th International Workshop, volume 5391 of Lecture Notes inComputer Science, pages 118–128. Springer, 2009.

[65] Artiom Alhazov, Carlos Martın-Vide, and Linqiang Pan. Solving aPSPACE-complete problem by recognizing P systems with restricted ac-tive membranes. Fundamenta Informaticae, 58(2):67–77, 2003.

[66] Artiom Alhazov, Carlos Martın-Vide, and Linqiang Pan. Solving GraphProblems by P Systems with Restricted Elementary Active Membranes,volume 2950 of Lecture Notes in Computer Science, pages 1–22. Springer,2004.

[67] Artiom Alhazov, Carlos Martın-Vide, and Gheorghe Paun, editors. Pre-proceedings of the Workshop on Membrane Computing Tarragona, July17-22 2003, 2003.

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[68] Artiom Alhazov and Kenichi Morita. On reversibility and determinismin P systems. In Gheorghe Paun, Mario J. Perez-Jimenez, and AgustınRiscos-Nunez, editors, Preproceedings of the Tenth Workshop on Mem-brane Computing, pages 129–140, Curtea de Arges, Romania, 2009.

[69] Artiom Alhazov and Kenichi Morita. A short note on reversibilityin P systems. In Rosa Gutierrez-Escudero, Miguel-Angel Gutierrez-Naranjo, Gheorghe Paun, Ignacio Perez-Hurtado, and Agustın Riscos-Nunez, editors, Seventh Brainstorming Week on Membrane Computing,volume 1, pages 23–28, Sevilla, Spain, February 2-6 2009.

[70] Artiom Alhazov and Kenichi Morita. On reversibility and determin-ism in P systems. In Gheorghe Paun, Mario J. Perez-Jimenez, AgustınRiscos-Nunez, Grzegorz Rozenberg, and Arto Salomaa, editors, Mem-brane Computing, 10th International Workshop, WMC 2009, Curtea deArges, Romania, August 24-27, 2009. Revised Selected and Invited Pa-pers, volume 5957 of Lecture Notes in Computer Science, pages 158–168.Springer, 2010.

[71] Artiom Alhazov and Linqiang Pan. Polarizationless P systems with ac-tive membranes. Grammars, 7:141–159, 2004.

[72] Artiom Alhazov, Linqiang Pan, and Gheorghe Paun. Trading polariza-tions for labels in P systems with active membranes. Acta Informatica,41(2-3):111–144, December 2004.

[73] Artiom Alhazov and Yurii Rogozhin. Minimal cooperation in sym-port/antiport P systems with one membrane. In Proceedings of the ThirdBrainstorming Week on Membrane Computing, pages 29–34, Sevilla,Spain, 2005. Fenix Editora.

[74] Artiom Alhazov and Yurii Rogozhin. Generating languages by P sys-tems with minimal symport/antiport. The Computer Science Journal ofMoldova, 14(3):299–323, 2006.

[75] Artiom Alhazov and Yurii Rogozhin. Towards a characterization of P sys-tems with minimal symport/antiport and two membranes. In Hendrik-Jan Hoogeboom, Gheorghe Paun, Grzegorz Rozenberg, and Arto Salo-maa, editors, Membrane Computing, 7th International Workshop, WMC2006, Leiden, The Netherlands, July 17-21, 2006, Revised, Selected, andInvited Papers, volume 4361 of Lecture Notes in Computer Science, pages135–153. Springer, 2006.

[76] Artiom Alhazov and Yurii Rogozhin. Towards a characterization of P sys-tems with minimal symport/antiport and two membranes. In Hendrik-Jan Hoogeboom, Gheorghe Paun, and Grzegorz Rozenberg, editors, Pre-proceedings of Membrane Computing, International Workshop, WMC7,pages 102–118, Leiden, The Netherlands, 2006.

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[77] Artiom Alhazov and Yurii Rogozhin. Skin output in P systems withminimal symport/antiport and two membranes. In George Eleftherakis,Petros Kefalas, Gheorghe Paun, Grzegorz Rozenberg, and Arto Salomaa,editors, Membrane Computing, 8th International Workshop, WMC 2007,Thessaloniki, Greece, June 25-28, 2007 Revised Selected and Invited Pa-pers, volume 4860 of Lecture Notes in Computer Science, pages 97–112.Springer, 2007.

[78] Artiom Alhazov and Yurii Rogozhin. Skin output in P systems withminimal symport/antiport and two membranes. In George Elefther-akis, Petros Kefalas, and Gheorghe Paun, editors, Pre-proceedings ofMembrane Computing, International Workshop - WMC8, pages 99–110,Thessaloniki, Greece, 2007.

[79] Artiom Alhazov, Yurii Rogozhin, and Sergey Verlan. Symport/antiporttissue P systems with minimal cooperation. In Proceedings of the ESF Ex-ploratory Workshop on Cellular Computing (Complexity Aspects), pages37–52, Sevilla, Spain, 2005. Fenix Editora.

[80] Artiom Alhazov, Yurii Rogozhin, and Sergey Verlan. Minimal cooper-ation in symport/antiport tissue P systems. International Journal ofFoundations of Computer Science, 18(1):163–180, February 2007.

[81] Artiom Alhazov and Dragos Sburlan. Static sorting algorithms for P sys-tems. In Artiom Alhazov, Carlos Martın-Vide, and Gheorghe Paun, ed-itors, Preproceedings of the Workshop on Membrane Computing, pages17–40, Tarragona, July 17-22 2003.

[82] Artiom Alhazov and Dragos Sburlan. (Ultimately confluent) parallelmultiset-rewriting systems with context. In Gheorghe Paun, AgustınRiscos-Nunez, Alvaro Romero-Jimenez, and Fernando Sancho-Caparrini,editors, Second Brainstorming Week on Membrane Computing Sevilla,Spain, February 2-7 2004, pages 45–52, Sevilla, Spain, February 2-7 2004.

[83] Artiom Alhazov and Dragos Sburlan. (Ultimately confluent) parallelmultiset-rewriting systems with permitting context. In Giancarlo Mauri,Gheorghe Paun, and Claudio Zandron, editors, Pre-proceedings of theFifth Workshop on Membrane Computing, pages 95–103, Milano, Italy,June 2004.

[84] Artiom Alhazov and Dragos Sburlan. Static Sorting P Systems, pages215–252. Springer-Verlag, 2005.

[85] Artiom Alhazov and Dragos Sburlan. Ultimately confluent rewriting sys-tems. Parallel multiset-rewriting with permitting or forbidding contexts.In Giancarlo Mauri, Gheorghe Paun, Mario J. Perez-Jimenez, GrzegorzRozenberg, and Arto Salomaa, editors, International Workshop WMC5,Milano, Italy, 2004, volume 3365 of Lecture Notes in Computer Science,pages 178–189. Springer, 2005.

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[86] Artiom Alhazov and Sergey Verlan. Sevilla carpets of deterministic non-cooperative P systems. In Proceedings of the ESF Exploratory Work-shop on Cellular Computing (Complexity Aspects), pages 53–60, Sevilla,Spain, 2005. Fenix Editora.

[87] Artiom Alhazov and Sergey Verlan. Minimization strategies for maxi-mally parallel multiset rewriting systems. Technical Report 862, TurkuCentre for Computer Science, 2008.

[88] Santiago Alonso, Fernando Arroyo Luis Fernandez, and Javier Gil. Mainmodules design for a HW implementation of massive parallelism in tran-sition P systems. In Masanori Sugisaka and Hiroshi Tanaka, editors, 13thInternational Symposium on Artificial Life and Robotics, pages 500–504,2008.

[89] B. Aman and G. Ciobanu. Translating mobile ambients into p systems.In N. Busi and C. Zandron, editors, Proceedings MeCBIC 2006, Venice,2006.

[90] B. Aman and G. Ciobanu. On the reachability problem in P systemswith mobile membranes. In G. Eleftherakis and Gh. Paun P. Kefalas,editors, Pre-proceedings of Membrane Computing, International Work-shop - WMC8, pages 111–123, Thessaloniki, Greece, 2007.

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[313] M. Cavaliere, A. Riscos-Nunez, R. Brijder, and G. Rozenberg. Membranesystems with marked membranes. Submitted, 2005.

[314] M. Cavaliere, A. Riscos-Nunez, R. Brijder, and G. Rozenberg. Membranesystems with marked membranes. In N. Busi and C. Zandron, editors,Proceedings MeCBIC 2006, Venice, 2006.

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[316] M. Cavaliere and S. Sedwards. Modelling cellular processes using mem-brane systems with peripheral and integral proteins. In Fourth In-ternational Conference on Computational Methods in Systems Biology,CMSB2006, Lecture Notes In Bioinformatics. Springer-Verlag.

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[318] Mateo Cavaliere. Evolution, communication, observation: From biologyto membrane computing and back. PhD thesis, University of Sevilla,Sevilla, Spain, 2006.

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[322] Matteo Cavaliere. Modelling biological processes in P systems: Han-dling imprecision and constructing new models. In First brainstormingWorkshop on Uncertainty in Membrane Computing, Palma de Mallorca,Spain, November 2004, 2004.

[323] Matteo Cavaliere. Towards asynchronous P systems. In Pre-proceedingsof the Fifth Workshop on Membrane Computing (WMC5), Milano, Italy,June 2004, pages 161–173, Milano, Italy, June 2004.

[324] Matteo Cavaliere and Ioan I. Ardelean. Modelling respiration in bacteriaand respiration/photosynthesis interaction in cyanobacteria by using aP System simulator. Submitted, 2004.

[325] Matteo Cavaliere and Vincenzo Deufemia. On time-free P Systems. Sub-mitted, 2004.

[326] Matteo Cavaliere and Vincenzo Deufemia. Further results on time-freeP systems. In Proceedings of the ESF Exploratory Workshop on Cel-lular Computing (Complexity Aspects), Sevilla (Spain), January 31st -February 2nd, pages 95–116, 2005.

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[329] Matteo Cavaliere, Rudolf Freund, A. Leitsch, and Gheorghe Paun.Event-related outputs of computations in P systems. In Proceedings of theThird Brainstorming Week on Membrane Computing, Sevilla (Spain),January 31st - February 4th, pages 107–122, 2005.

[330] Matteo Cavaliere, Rudolf Freund, Marion Oswald, and Dragos Sburlan.Multiset random context grammars, checkers, and transducers. Theoret-ical Computer Science, 372(2-3):136–151, 2007.

[331] Matteo Cavaliere, Rudolf Freund, Marion Oswald, and Dragos Sburlan.Multiset random context grammars, checkers, and transducers. InMiguel Angel Gutierrez-Naranjo, Gheorghe Paun, Agustın Riscos-Nunez,and Francisco Jose Romero-Campero, editors, Fourth BrainstormingWeek on Membrane Computing, Sevilla, January 30 - February 3, 2006.Volume I, pages 113–132. Fenix Editora, 2006.

[332] Matteo Cavaliere and Daniela Genova. P systems with symport/antiportof rules. Technical Report 01/2004, Dept. of Computer Sciences andArtificial Intelligence, Univ. of Sevilla, 2004.

[333] Matteo Cavaliere and Daniela Genova. P systems with symport/antiportof rules. In Gheorghe Paun, Agustın Riscos-Nunez, Alvaro Romero-Jimenez, and Fernando Sancho-Caparrini, editors, Second BrainstormingWeek on Membrane Computing, Sevilla, Spain, February 2-7 2004, pages102–116, Sevilla, Spain, February 2-7 2004.

[334] Matteo Cavaliere and Daniela Genova. P systems with symport/antiportof rules. Journal of Universal Computer Science, 10(5):540–558, May2004.

[335] Matteo Cavaliere, Mihai Ionescu, and Tseren-Onolt Ishdorj.Inhibiting/de-inhibiting rules in P systems. In Pre-proceedings ofthe Fifth Workshop on Membrane Computing (WMC5), Milano, Italy,June 2004, pages 174–183, Milano, Italy, June 2004.

[336] Matteo Cavaliere, Mihai Ionescu, and Tseren-Onolt Ishdorj.Inhibiting/de-inhibiting P systems with active membranes. InProceedings of the ESF Exploratory Workshop on Cellular Computing(Complexity Aspects), Sevilla (Spain), January 31st - February 2nd,pages 117–130, 2005.

[337] Matteo Cavaliere and Natasa Jonoska. Forbidding and enforcing in mem-brane computing. Natural Computing, 2(3):215–228, August 2003.

[338] Matteo Cavaliere and Natasha Jonoska. Forbidding and enforcing inmembrane computing. Technical Report 26, Rovira i Virgili University,2003.

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[340] Matteo Cavaliere and Peter Leupold. Evolution and observation - a newway to look at membrane systems. In Artiom Alhazov, Carlos Martın-Vide, and Gheorghe Paun, editors, Preproceedings of the Workshop onMembrane Computing, pages 117–132, Tarragona, July 17-22 2003.

[341] Matteo Cavaliere and Peter Leupold. Evolution and observation: A newway to look at membrane systems. In Carlos Martın-Vide, GiancarloMauri, Gheorghe Paun, Grzegorz Rozenberg, and Arto Salomaa, editors,Membrane Computing, International Workshop, WMC 2003, Tarragona,Spain, July, 17-22, 2003, Revised Papers, volume 2933 of Lecture Notesin Computer Science, pages 70–87. Springer, July 2003.

[342] Matteo Cavaliere and Peter Leupold. Evolution and observationa non-standard way to generate formal languages. Theoretical Computer Sci-ence, 321(2-3):233–248, August 2004.

[343] Matteo Cavaliere, Radu Mardare, and Sean Sedwards. A multiset-basedmodel of synchronizing agents: Computability and robustness. Theoret-ical Computer Science, 391(3):216–238, 2008.

[344] Matteo Cavaliere, Carlos Martın-Vide, and Gheorghe Paun, editors.Brainstorming Week on Membrane Computing, Tarragona, February 5-11 2003, 2003.

[345] Matteo Cavaliere and Ivan Mura. Experiments on the reliability ofstochastic spiking neural P systems. Natural Computing, 7(4):453–470,2008.

[346] Matteo Cavaliere and Dragos Sburlan. Time-independent P systems.In Giancarlo Mauri, Gheorghe Paun, Mario J. Perez-Jimenez, GrzegorzRozenberg, and Arto Salomaa, editors, Membrane Computing. Interna-tional Workshop WMC5, Milano, Italy, 2004 (TO APPEAR).

[347] Matteo Cavaliere and S. Sburlan. Time and synchronization in membranesystems. Fundamenta Informaticae, 2005. To appear.

[348] Matteo Cavaliere and S. Sedwards. Modelling cellular processes usingmembrane systems with peripheral and integral proteins. Technical Re-port 07/2006, Microsoft Research - University of Trento, Centre for Com-putational and Systems Biology, Trento, Italy. Technical Report 7/2006,Microsoft Research - University of Trento, Centre for Computational andSystems Biology.

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[349] Matteo Cavaliere and S. Sedwards. Decision problems in membrane sys-tems with peripheral proteins, transport and evolution. Technical Report12/2006, Microsoft Research - University of Trento, Centre for Compu-tational and Systems Biology, Trento, Italy, 2006. Microsoft Research -University of Trento, Centre for Computational and Systems Biology.

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[351] Matteo Cavaliere and Claudio Zandron. Time-driven computations in Psystems. In Miguel Angel Gutierrez-Naranjo, Gheorghe Paun, AgustınRiscos-Nunez, and Francisco Jose Romero-Campero, editors, FourthBrainstorming Week on Membrane Computing, Sevilla, January 30 -February 3, 2006. Volume I, pages 133–144. Fenix Editora, 2006.

[352] P. Cazzaniga, A. Leporati, G. Mauri, and C. Zandron. P systems withmemory. In Pre-Proc. of the sixth Workshop on Membrane Computing,WMC6, Vienna, Austria, pages 261–281, 2005.

[353] P. Cazzaniga, D. Pescini, D. Besozzi, and G. Mauri. Tau leaping stochas-tic simulation method in p systems. In H.J. Hoogeboom, Gh. Paun, andG. Rozenberg, editors, Pre-proceedings of Membrane Computing, Inter-national Workshop, WMC7, pages 261–273, Leiden, The Netherlands,2006.

[354] Paolo Cazzaniga, Dario Pescini, Daniela Besozzi, Giancarlo Mauri, So-nia Colombo, and Enzo Martegani. Modeling and stochastic simulationof the ras/camp/pka pathway in the yeast saccharomyces cerevisiae ev-idences a key regulatory function for intracellular guanine nucleotidespools. Journal of Biotechnology, 133(3):377–385, 2008.

[355] Paolo Cazzaniga, Dario Pescini, Francisco-Jose Romero-Campero,Daniela Besozzi, and Giancarlo Mauri. Stochastic approaches in Psystems for simulating biological systems. In Miguel Angel Gutierrez-Naranjo, Gheorghe Paun, Agustın Riscos-Nunez, and Francisco JoseRomero-Campero, editors, Fourth Brainstorming Week on MembraneComputing, Sevilla, January 30 - February 3, 2006. Volume I, pages145–164. Fenix Editora, 2006.

[356] R. Ceterchi, M.J. Perez-Jimenez, and A.I. Tomescu. Simulating thebitonic sort on a 2D-mesh with P systems. In G. Eleftherakis andGh. Paun P. Kefalas, editors, Pre-proceedings of Membrane Computing,International Workshop - WMC8, pages 205–226, Thessaloniki, Greece,2007.

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[357] Rodica Ceterchi. Rewriting in P systems: An algebreic approach. InMiguel Angel Gutierrez-Naranjo, Gheorghe Paun, Agustın Riscos-Nunez,and Francisco Jose Romero-Campero, editors, Fourth BrainstormingWeek on Membrane Computing, Sevilla, January 30 - February 3, 2006.Volume I, pages 165–168. Fenix Editora, 2006.

[358] Rodica Ceterchi, Radu Gramatovici, and Natasa Jonoska. Tiling rect-angular pictures with P systems. In Carlos Martın-Vide, GiancarloMauri, Gheorghe Paun, Grzegorz Rozenberg, and Arto Salomaa, editors,Membrane Computing, International Workshop, WMC 2003, Tarragona,Spain, July, 17-22, 2003, Revised Papers, volume 2933 of Lecture Notesin Computer Science, pages 88–103. Springer, July 2003.

[359] Rodica Ceterchi, Radu Gramatovici, and Natasha Jonoska. P systems fortiling rectangular pictures. In Artiom Alhazov, Carlos Martın-Vide, andGheorghe Paun, editors, Preproceedings of the Workshop on MembraneComputing, pages 133–144, Tarragona, July 17-22 2003.

[360] Rodica Ceterchi, Radu Gramatovici, Natasha Jonoska, and K.G. Subra-manian. Generating picture languages with P systems. Technical Re-port 26, Rovira i Virgili University, 2003.

[361] Rodica Ceterchi, Radu Gramatovici, Natasha Jonoska, and K.G. Subra-manian. Generating picture languages with P systems. In Matteo Cav-aliere, Carlos Martın-Vide, and Gheorghe Paun, editors, BrainstormingWeek on Membrane Computing, Tarragona, February 5-11 2003, pages85–100, Tarragona, February 5-11 2003.

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[364] Rodica Ceterchi, Mutyam Madhu, Gheorghe Paun, and K.G. Subrama-nian. Array-rewriting P systems. Natural Computing, 2(3):229 – 249,August 2003.

[365] Rodica Ceterchi and Carlos Martın-Vide. Generating P systems withcontextual grammar. In Pre-Proceedings of Second Workshop on Mem-brane Computing, Curtea de Arges, Romania, August 2002.

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2002, Curtea de Arges, Romania, August 19-23, 2002. Revised Papers.,volume 2597 of Lecture Notes in Computer Science, pages 146–186,Curtea de Arges, Romania, July 2003. Springer-Verlag, Berlin.

[367] Rodica Ceterchi and Carlos Martın-Vide. P systems with communicationfor static sorting. Technical Report 26, Rovira i Virgili University, 2003.

[368] Rodica Ceterchi and Carlos Martın-Vide. P systems with communica-tion for static sorting. In Matteo Cavaliere, Carlos Martın-Vide, andGheorghe Paun, editors, Brainstorming Week on Membrane Computing,Tarragona, February 5-11 2003, pages 101–117, Tarragona, February 5-11 2003.

[369] Rodica Ceterchi and Mario J. Perez-Jimenez. Simulating Shuffle-Exchange networks with P systems. Technical Report 01/2004, Dept.of Computer Sciences and Artificial Intelligence, Univ. of Sevilla, 2004.

[370] Rodica Ceterchi, Mario J. Perez-Jimenez, and Alexandru Ioan Tomescu.Sorting omega networks simulated with P systems: Optimal data layouts.In Erzsebet Csuhaj-Varju, Rudolf Freund, Marion Oswald, and Kai Salo-maa, editors, International Workshop on Computing with Biomolecules,pages 29–42, 2008.

[371] Rodica Ceterchi and Mario Jesus Perez-Jimenez. A perfect shuffle algo-rithm for reduction processes and its simulation with P systems. In In-ternational Conference on Computers and Communications-ICCC 2004,Baile Felix Spa, Oradea, ROMANIA, Oradea, ROMANIA, May 27-292004.

[372] Rodica Ceterchi and Mario Jesus Perez-Jimenez. Simulating parallelarchitectures with P systems. In Pre-proceedings of the Fifth Workshopon Membrane Computing (WMC5), Milano, Italy, June 2004, pages 184–185, Milano, Italy, June 2004.

[373] Rodica Ceterchi and Mario Jesus Perez-Jimenez. Simulating shuffle-exchange networks with P systems. In Gheorghe Paun, Agustın Riscos-Nunez, Alvaro Romero-Jimenez, and Fernando Sancho-Caparrini, ed-itors, Second Brainstorming Week on Membrane Computing, Sevilla,Spain, February 2-7 2004, pages 117–129, Sevilla, Spain, February 2-72004.

[374] Rodica Ceterchi and Mario Jesus Perez-Jimenez. Simulating a classof parallel architectures: A broader perspective. In Proceedings ofthe ESF Exploratory Workshop on Cellular Computing (Complexity As-pects), Sevilla (Spain), January 31st - February 2nd, pages 131–148,2005.

[375] Rodica Ceterchi and Mario J. PUrez-JimUnez. On simulating a class ofparallel architectures. International Journal of Foundations of ComputerScience, 17(1):91–110, February 2006.

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[376] Rodica Ceterchi and Dragos Sburlan. Simulating boolean circuits withP systems. In Carlos Martın-Vide, Giancarlo Mauri, Gheorghe Paun,Grzegorz Rozenberg, and Arto Salomaa, editors, Membrane Comput-ing, International Workshop, WMC 2003, Tarragona, Spain, July, 17-22, 2003, Revised Papers, volume 2933 of Lecture Notes in ComputerScience, pages 104–122. Springer, July 2003.

[377] Rodica Ceterchi and Dragos Sburlan. Simulating boolean circuits with Psystems. In Artiom Alhazov, Carlos Martın-Vide, and Gheorghe Paun,editors, Preproceedings of the Workshop on Membrane Computing, pages145–160, Tarragona, July 17-22 2003.

[378] Rodica Ceterchi and Alexandru Ioan Tomescu. Implementing sortingnetworks with spiking neural P systems. Fundamenta Informaticae,87(1):35–48, 2008.

[379] P.H. Chandra and K.G. Subramanian. On picture arrays generated by psystems. In Pre-Proc. of the sixth Workshop on Membrane Computing,WMC6, Vienna, Austria, pages 282–288, 2005.

[380] H. Chen, R. Freund, M. Ionescu, Gheorghe Paun, and M.J. Perez-Jimenez. On string languages generated by spiking neural p systems.Submitted, 2006.

[381] H. Chen, M. Ionescu, A. Paun, Gheorghe Paun, and B. Popa. On tracelanguages generated by spiking neural p systems. Submitted, 2006.

[382] H. Chen, T.-O. Ishdorj, and Gh. Paun. Computing along the axon. InPre-proceedings of International Conference on Bio-Inspired Computing -Theory and Applications, BIC-TA 2006, Membrane Computing Section,pages 60–70, Wuhan, China, September 2006.

[383] H. Chen, T.-O. Ishdorj, Gh. Paun, and M.J. Perez-Jimenez. Handlinglanguages with spiking neural p systems with extended rules. RomanianJournal of Information Science and Technology, 2006. Accepted.

[384] H. Chen, T.-O. Ishdorj, Gh. Paun, and M.J. Perez-Jimenez. Handlinglanguages with spiking neural p systems with extended rules. RomanianJournal of Information Science and Technology, 9(3):151–162, 2006.

[385] H. Chen, Gheorghe Paun, and M.J. Perez-Jimenez. Spiking neural psystems with extended rules. Submitted, 2006.

[386] Haiming Chen, Rudolf Freund, Mihai Ionescu, Gheorghe Paun, andMario-Jesus Perez-Jimenez. On string languages generated by spikingneural P systems. In Miguel Angel Gutierrez-Naranjo, Gheorghe Paun,Agustın Riscos-Nunez, and Francisco Jose Romero-Campero, editors,Fourth Brainstorming Week on Membrane Computing, Sevilla, January30 - February 3, 2006. Volume I, pages 169–194. Fenix Editora, 2006.

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[387] Haiming Chen, Mihai Ionescu, and Tseren-Onolt Ishdorj. On the effi-ciency of spiking neural P systems. In Miguel Angel Gutierrez-Naranjo,Gheorghe Paun, Agustın Riscos-Nunez, and Francisco Jose Romero-Campero, editors, Fourth Brainstorming Week on Membrane Comput-ing, Sevilla, January 30 - February 3, 2006. Volume I, pages 195–206.Fenix Editora, 2006.

[388] Haiming Chen, Mihai Ionescu, Andrei Paun, Gheorghe Paun, and BiancaPopa. On trace languages generated by spiking neural P systems. InMiguel Angel Gutierrez-Naranjo, Gheorghe Paun, Agustın Riscos-Nunez,and Francisco Jose Romero-Campero, editors, Fourth BrainstormingWeek on Membrane Computing, Sevilla, January 30 - February 3, 2006.Volume I, pages 207–224. Fenix Editora, 2006.

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[390] Haiming Chen, Tseren-Onolt Ishdorj, Gheorghe Paun, and Mario-JesusPerez-Jimenez. Spiking neural P systems with extended rules. InMiguel Angel Gutierrez-Naranjo, Gheorghe Paun, Agustın Riscos-Nunez,and Francisco Jose Romero-Campero, editors, Fourth BrainstormingWeek on Membrane Computing, Sevilla, January 30 - February 3, 2006.Volume I, pages 241–266. Fenix Editora, 2006.

[391] S. Cheruku, A. Paun, F.J. Romero-Campero, M.J. Perez-Jimenez, andO.H. Ibarra. Simulating fas-induced apoptosis by using p systems. InPre-proceedings of International Conference on Bio-Inspired Computing -Theory and Applications, BIC-TA 2006, Membrane Computing Section,pages 71–81, Wuhan, China, September 2006.

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[393] Smitha Cheruku, Andrei Paun, Francisco J. Romero-Campero, Mario J.Perez-Jimenez, and Oscar H. Ibarra. Simulating FAS-induced apoptosisby using P systems. Progress in Natural Science, 17(4):424–431, 2007.

[394] L. Cienciala and L. Ciencialova. Membrane automata with priorities.Journal of Computer Science and Technology, 19(1):89–97, 2004.

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[408] G. Ciobanu and L. Cornacel. Probabilistic transitions for p systems. InPre-proceedings of International Conference on Bio-Inspired Computing -Theory and Applications, BIC-TA 2006, Membrane Computing Section,pages 82–92, Wuhan, China, September 2006.

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[414] Gabriel Ciobanu. Distributed computing in P Systems with antiportcommunication. Submitted, 2002.

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[419] Gabriel Ciobanu. Modeling Cell–Mediated Immunity by Means of P Sys-tems, pages 157–178. Springer-Verlag, 2005.

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[421] Gabriel Ciobanu, Vlad Ciubotariu, and Bogdan Tanasa. A computa-tional model of membrane transportation. Submitted.

[422] Gabriel Ciobanu and Laura Cornacel. Probabilistic transitions for P sys-tems. Progress in Natural Science, 17(4):431–441, 2007.

[423] Gabriel Ciobanu, Rahul Desai, and Akash Kumar. Membrane systemsand distributed computing. In Pre-Proceedings of Second Workshop onMembrane Computing, Curtea de Arges, Romania, August 2002.

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[425] Gabriel Ciobanu, Daniel Dumitriu, Dorin Huzum, Gabriel Moruz, andBogdan Tanasa. Client-server P systems in modeling molecular interac-tion. In Gheorghe Paun, Grzegorz Rozenberg, Arto Salomaa, and Clau-dio Zandron, editors, Membrane Computing: International Workshop,WMC-CdeA 2002, Curtea de Arges, Romania, August 19-23, 2002. Re-vised Papers., volume 2597 of Lecture Notes in Computer Science, pages203–218, Curtea de Arges, Romania, July 2003. Springer-Verlag, Berlin.

[426] Gabriel Ciobanu and M. Gontineac. Mealy membrane automata and Psystems complexity. In Proceedings of the ESF Exploratory Workshop onCellular Computing (Complexity Aspects), Sevilla (Spain), January 31st- February 2nd, pages 149–164, 2005.

[427] Gabriel Ciobanu and Mihai Gontineac. Mealy multiset automata. In-ternational Journal of Foundations of Computer Science, 17(1):111–126,February 2006.

[428] Gabriel Ciobanu and Mihai Gontineac. Multisets and their encodings.In Oscar H. Ibarra and Petr Sosık, editors, Proceedings of Prague Inter-national Workshop on Membrane Computing, pages 1–10, 2008.

[429] Gabriel Ciobanu, Linqiang Pan, Gheorghe Paun, and Mario J.Perez-Jimenez. P systems with minimal parallelism. Theoretic Computer Sci-ence, 378:117–130, 2007.

[430] Gabriel Ciobanu and Dorin Paraschiv. Membrane software. a P systemsimulator. Technical Report 17/01, Rovira i Virgili University, Tarrag-ona, Spain, 2001. Technical Report 17/01 of Research Group on Mathe-matical Linguistics.

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[431] Gabriel Ciobanu and Dorin Paraschiv. Membrane software. A P systemsimulator. In Pre-Proceedings of Workshop on Membrane Computing,Curtea de Arges, Romania, August 2001.

[432] Gabriel Ciobanu and Dorin Paraschiv. P system software simulator. Fun-damenta Informaticae, 49(1-3):61–66, January 2002. Special Issue: Mem-brane Computing (WMC-CdeA2001) Guest Editor(s): Carlos Martın-Vide, Gheorghe Paun.

[433] Gabriel Ciobanu, Gheorghe Paun, and Mario J. Perez-Jimenez, editors.Applications of Membrane Computing. Springer-Verlag, 2005. (442 + viiipages) - in press.

[434] Gabriel Ciobanu, Gheorghe Paun, and Mario Jesus Perez-Jimenez. Onthe branching complexity of P systems. In Proceedings of the ESF Ex-ploratory Workshop on Cellular Computing (Complexity Aspects), Sevilla(Spain), January 31st - February 2nd, pages 165–176, 2005.

[435] Gabriel Ciobanu, Gheorghe Paun, and Gh. Stefanescu. Sevilla carpetsassociated with P systems. In Matteo Cavaliere, Carlos Martın-Vide, andGheorghe Paun, editors, Brainstorming Week on Membrane Computing,Tarragona, February 5-11 2003, pages 135–140, Tarragona, February 5-11 2003.

[436] Gabriel Ciobanu, Gheorghe Paun, and Gheorghe Stefanescu. Sevilla car-pets associated with P systems. Technical Report 26, Rovira i VirgiliUniversity, 2003.

[437] Gabriel Ciobanu, Gheorghe Paun, and Gheorghe Stefanescu. P trans-ducers. New Generation Computing, 2004. To appear.

[438] Gabriel Ciobanu and Dana Petcu. P accelerators: Parallelization of se-quential simulators. In Proceedings of the ESF Exploratory Workshop onCellular Computing (Complexity Aspects), Sevilla (Spain), January 31st- February 2nd, pages 177–186, 2005.

[439] Gabriel Ciobanu and Andreas Resios. Computational complexity of sim-ple P systems. Fundamenta Informaticae, 87(1):49–59, 2008.

[440] Gabriel Ciobanu and Bogdan Tanasa. Gene expression by software mech-anisms. Technical Report 17/01, Rovira i Virgili University, Tarragona,Spain, 2001. Technical Report 17/01 of Research Group on MathematicalLinguistics.

[441] Gabriel Ciobanu and Bogdan Tanasa. Gene expression by softwaremechanisms. In Pre-Proceedings of Workshop on Membrane Computing,Curtea de Arges, Romania, August 2001.

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[442] Gabriel Ciobanu and Bogdan Tanasa. Gene expression by software mech-anisms. Fundamenta Informaticae, 49(1-3):67–80, January 2002. SpecialIssue: Membrane Computing (WMC-CdeA2001) Guest Editor(s): Car-los Martın-Vide, Gheorghe Paun.

[443] Gabriel Ciobanu, Bogdan Tanasa, Daniel Dumitriu, Dorin Huzum, andGabriel Moruz. Molecular networks as communicating membranes. InPre-Proceedings of Second Workshop on Membrane Computing, Curteade Arges, Romania, August 2002.

[444] Gabriel Ciobanu and G. Wenyuan. A parallel implementation of transi-tion P systems. In Artiom Alhazov, Carlos Martın-Vide, and GheorghePaun, editors, Pre-proceedings of the Workshop on Membrane Comput-ing, pages 169–184, Tarragona, July 17-22 2003.

[445] Gabriel Ciobanu and Guo Wenyuan. P systems running on a cluster ofcomputers. In Carlos Martın-Vide, Giancarlo Mauri, Gheorghe Paun,Grzegorz Rozenberg, and Arto Salomaa, editors, Membrane Comput-ing, International Workshop, WMC 2003, Tarragona, Spain, July, 17-22, 2003, Revised Papers, volume 2933 of Lecture Notes in ComputerScience, pages 123–139. Springer, July 2003.

[446] Monica Cardona M. Angels Colomer, Mario J. Perez-Jimenez, DelfıSanuy, and Antoni Margalida. Modeling ecosystems using P systems:The bearded vulture, a case study. In David Wolfe Corne, PierluigiFrisco, Gheorghe Paun, Grzegorz Rozenberg, and Arto Salomaa, edi-tors, Membrane Computing: 9th International Workshop, volume 5391of Lecture Notes in Computer Science, pages 137–156, 2009.

[447] A. Cordon-Franco, M.A. Gutierrez-Naranjo, M.J. Perez-Jimenez, andA. Riscos-Nunez. Cellular solutions to some numerical np-complete prob-lems. a prolog implementation molecular computational models. Uncon-ventional Approaches (M. Gheorghe, ed.), 2004. Idea-Group, London2004, 115–149.

[448] Andres Cordon-Franco, Miguel A. Gutierrez-Naranjo, and Mario J.Perez-Jimenez. Looking for P Truth. Technical Report 01/2004, Dept.of Computer Sciences and Artificial Intelligence, Univ. of Sevilla, 2004.

[449] Andres Cordon-Franco, Miguel A. Gutierrez-Naranjo, and Mario J.Perez-Jimenez. Looking for P truth. In Gheorghe Paun, Agustın Riscos-Nunez, Alvaro Romero-Jimenez, and Fernando Sancho-Caparrini, ed-itors, Second Brainstorming Week on Membrane Computing, Sevilla,Spain, February 2-7 2004, pages 134–138, Sevilla, Spain, February 2-72004.

[450] Andres Cordon-Franco, Miguel A. Gutierrez-Naranjo, Mario J. Perez-Jimenez, and Agustın Riscos-Nunez. Exploring computation trees as-sociated with P systems. In Pre-proceedings of the Fifth Workshop on

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[451] Andres Cordon-Franco, Miguel A. Gutierrez-Naranjo, Mario J. Perez-Jimenez, and Agustın Riscos-Nunez. Weak metrics on configurations ofa P system. Technical Report 01/2004, Dept. of Computer Sciences andArtificial Intelligence, Univ. of Sevilla, 2004.

[452] Andres Cordon-Franco, Miguel A. Gutierrez-Naranjo, Mario J. Perez-Jimenez, and Agustın Riscos-Nunez. Weak metrics on configurations ofa P system. In Gheorghe Paun, Agustın Riscos-Nunez, Alvaro Romero-Jimenez, and Fernando Sancho-Caparrini, editors, Second BrainstormingWeek on Membrane Computing, Sevilla, Spain, February 2-7 2004, pages139–151, Sevilla, Spain, February 2-7 2004.

[453] Andres Cordon-Franco, Miguel A. Gutierrez-Naranjo, Mario J. Perez-Jimenez, Agustın Riscos-Nunez, and Fernando Sancho-Caparrini. Imple-menting in Prolog an effective cellular solution for the Knapsack, prob-lem. In Artiom Alhazov, Carlos Martın-Vide, and Gheorghe Paun, ed-itors, Preproceedings of the Workshop on Membrane Computing, pages185–196, Tarragona, July 17-22 2003.

[454] Andres Cordon-Franco, Miguel A. Gutierrez-Naranjo, Mario J. Perez-Jimenez, Agustın Riscos-Nunez, and Fernando Sancho-Caparrini. Imple-menting in Prolog an effective cellular solution to the Knapsack prob-lem. In Carlos Martın-Vide, Giancarlo Mauri, Gheorghe Paun, GrzegorzRozenberg, and Arto Salomaa, editors, Membrane Computing, Interna-tional Workshop, WMC 2003, Tarragona, Spain, July, 17-22, 2003, Re-vised Papers, volume 2933 of Lecture Notes in Computer Science, pages140–152. Springer, July 2003.

[455] Andres Cordon-Franco, Miguel A. Gutierrez-Naranjo, Mario J. Perez-Jimenez, and Fernando Sancho-Caparrini. A Prolog simulator for deter-ministic P systems with active membranes. Technical Report 26, Rovirai Virgili University, 2003.

[456] Andres Cordon-Franco, Miguel A. Gutierrez-Naranjo, Mario J. Perez-Jimenez, and Fernando Sancho-Caparrini. A Prolog simulator for deter-ministic P systems with active membranes. In Matteo Cavaliere, Car-los Martın-Vide, and Gheorghe Paun, editors, Brainstorming Week onMembrane Computing, Tarragona, February 5-11 2003, pages 141–154,Tarragona, February 5-11 2003.

[457] Andres Cordon-Franco, Miguel A. Gutierrez-Naranjo, Mario J. Perez-Jimenez, and Fernando Sancho-Caparrini. A Prolog simulator for deter-ministic P systems with active membranes. New Generation Computing,22(4):349–363, August 2004.

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[458] Andres Cordon-Franco and Fernando Sancho-Caparrini. Non-discrete Psystems. In Pre-proceedings of the Fifth Workshop on Membrane Com-puting (WMC5), Milano, Italy, June 2004, pages 205–207, Milano, Italy,June 2004.

[459] Andres Cordon-Franco and Fernando Sancho-Caparrini. A note on com-plexity measures for probabilistic P systems. Journal of Universal Com-puter Science, 10(5):559–568, May 2004.

[460] Monica Cordona, M. Angels Colomer, Mario J. Perez Jimenez, and AlbaZaragoza. Hierarchical clustering with membrane computing. Computingand Informatics, 27(3+):497–513, 2008.

[461] David W. Corne and Pierluigi Frisco. Dynamics of HIV infection studiedwith cellular automata and conformon-P systems. Biosystems, 91(3):531–544, 2008.

[462] C. Csuhaj-Varju, Antonio Di Nola, Gheorghe Paun, Mario Jesus Perez-Jimenez, and Gyorgy Vaszil. Editing configurations of P systems. InProceedings of the Third Brainstorming Week on Membrane Computing,Sevilla (Spain), January 31st - February 4th, pages 131–154, 2005.

[463] E. Csuhaj-Varju, R. Freund, and D. Sburlan. Modeling the dynamicalparallelism of bio-systems. In H.J. Hoogeboom, Gh. Paun, and G. Rozen-berg, editors, Pre-proceedings of Membrane Computing, InternationalWorkshop, WMC7, pages 290–310, Leiden, The Netherlands, 2006.

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[467] Erzsebet Csuhaj-Varju. On gemmating P systems. In EMCC Workshop,Vienna, November 2003.

[468] Erzsebet Csuhaj-Varju. P automata: Models, results, and research top-ics. In Pre-proceedings of the Fifth Workshop on Membrane Computing(WMC5), Milano, Italy, June 2004, pages 1–11, Milano, Italy, June 2004.

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[469] Erzsebet Csuhaj-Varju. EP-colonies: Micro-organisms in a cell-like envi-ronment. In Proceedings of the Third Brainstorming Week on MembraneComputing, Sevilla (Spain), January 31st - February 4th, pages 123–130,2005.

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[472] Erzsebet Csuhaj-Varju, Maurice Margenstern, Gyorgy Vaszil, and SergeyVerlan. On small universal antiport P systems. Theoretical ComputerScience, 372(2-3):152–164, 2007.

[473] Erzsebet Csuhaj-Varju, Carlos Martın-Vide, Gheorghe Paun, and ArtoSalomaa. From Watson-Crick L Systems to Darwinian P systems. Tech-nical Report 26, Rovira i Virgili University, 2003.

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[476] Erzsebet Csuhaj-Varju, Antonio Di Nola, Gheorghe Paun, Mario JesusPerez-Jimenez, and Gyorgy Vaszil. Editing configurations of P systems.Submitted, 2005.

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[478] Erzsebet Csuhaj-Varju, Gheorghe Paun, and Gyorgy Vaszil. Grammarsystems vs. membrane computing: The case of PC grammar systems.Submitted, 2004.

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[491] Z. Dang, O.H. Ibarra, and C. Li. Decidability of model-checking p sys-tems. Submitted, 2006.

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[493] Z. Dang, O.H. Ibarra, S. Woodworth, and H.C. Yen. On sym-port/antiport systems and semilinear sets. In Pre-Proc. of the sixthWorkshop on Membrane Computing, WMC6, Vienna, Austria, pages312–335, 2005.

[494] Zhe Dang and Oscar H. Ibarra. On P systems operating in sequentialand limited parallel modes. In Workshop on Descriptional Complexityof Formal Systems, London-Ontario, 2004.

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[496] Vincent Danos, Jrme Fret, Walter Fontana, Russell Harmer, and JeanKrivine. Investigation of a biological repair scheme. In David WolfeCorne, Pierluigi Frisco, Gheorghe Paun, Grzegorz Rozenberg, and ArtoSalomaa, editors, Membrane Computing: 9th International Workshop,volume 5391 of Lecture Notes in Computer Science, pages 1–12, 2009.

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[503] Jurgen Dassow and Gheorghe Paun. P systems with communicationbased on concentration. Acta Cybernetica, 15(1):9–24, 2001.

[504] Jurgen Dassow, Gheorghe Paun, Gabriel Thierrin, and Sheng Yu. Tree-systems of morphisms. Acta Informatica, 38(2):131–153, November 2001.

[505] Alfonso Ortega de la Puente, Rafael Nunez-Hervas, Marina de la Cruz-Echeandia, and Manuel Alfonseca. Christiansen grammar for some P sys-tems. In Third Brainstorming Week on Membrane Computing, Sevilla,2005, Sevilla, 2005.

[506] G. Delzanno and L. Van Begin. On the dynamics of PB systems withvolatile membranes. In G. Eleftherakis and Gh. Paun P. Kefalas, edi-tors, Pre-proceedings of Membrane Computing, International Workshop- WMC8, pages 279–300, Thessaloniki, Greece, 2007.

[507] Giorgio Delzanno and Laurent Begin. A biologically inspired model withfusion and clonation of membranes. In Cristian S. Calude, Jose FelixCosta, Rudolf Freund, Marion Oswald, and Grzegorz Rozenberg, edi-tors, Proceedings of the 7th international conference on UnconventionalComputing, volume 5204 of Lecture Notes in Computer Science, pages64–82, 2008.

[508] K. S. Dersanambika, Kamala Krithivasan, and K. G. Subramanian. Psystems generating hexagonal picture languages. In Carlos Martın-Vide,Giancarlo Mauri, Gheorghe Paun, Grzegorz Rozenberg, and Arto Sa-lomaa, editors, Membrane Computing, International Workshop, WMC2003, Tarragona, Spain, July, 17-22, 2003, Revised Papers, volume 2933of Lecture Notes in Computer Science, pages 168–180. Springer, July2003.

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[512] Antonio Di-Nola, Gheorghe Paun, Mario J. Perez-Jimenez, and FrancescRossello. (imprecise topic about) Handling imprecision in P Systems.Submitted, 2004.

[513] J.M. Campos Diaz, E. Lopez Dominguez, S. Lopez Escobar, J. EstudilloRamirez, and L.D. Huerta Hernandez. Development of a cleaner robot us-ing techniques of membranes. Technical report, Report INAOE, Puebla,Mexic, 2006. Report INAOE.

[514] D. Diaz-Pernil, M.A. Gutierrez-Naranjo, M.J. Perez-Jimenez, andA. Nunez. A cellular solution to subset sum using division of non-elementary membranes and dissolution, with time and initial resourcesbounded by log k. In G. Eleftherakis and Gh. Paun P. Kefalas, edi-tors, Pre-proceedings of Membrane Computing, International Workshop- WMC8, pages 301–316, Thessaloniki, Greece, 2007.

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[516] D. Diaz-Pernil, M.A. Gutierrez-Naranjo, M.J. Perez-Jimenez, andA. Riscos-Nunez. An efficient solution to 3-col with tissue p systems.In N. Busi and C. Zandron, editors, Proceedings MeCBIC 2006, Venice,2006.

[517] Daniel Dıaz-Pernil, Miguel A. Gutierrez-Naranjo, Mario J. PerezJimenez, and Agustın Riscos-Nunez. Solving subset sum in linear timeby using tissue P systems with cell division. In Jose Mira and Jose R.Alvarez, editors, Proceedings of the 2nd international work-conference onThe Interplay Between Natural and Artificial Computation, Part I: Bio-inspired Modeling of Cognitive Tasks, volume 4527 of Lecture Notes inComputer Science, pages 170–179, 2007.

[518] Daniel Dıaz-Pernil, Miguel A. Gutierrez-Naranjo, Mario J. Perez-Jimenez, and Agustın Riscos-Nunez. Solving the partition problem byusing tissue-like P systems with cell division. In Proceedings of the ThirdInternational Conference on Bio-Inspired Computing: Theories and Ap-plications, pages 43–47, 2008.

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[530] Raffael Fassler, Thomas Hinze, Thorsten Lenser, and Peter Dittrich.Construction of oscillating chemical register machines on binary numbersusing mass-action kinetics. In Oscar H. Ibarra and Petr Sosık, editors,Proceedings of Prague International Workshop on Membrane Computing,pages 11–22, 2008.

[531] L. Fernandez, F. Arroyo, I. Garcia, and A. Gutierrez. Parallel softwarearchitectures analysis for implementing P systems. In M. Sugisaka andH. Tanaka, editors, Proceedings of the 12th Int. Symposium on ArtificialLife and Robotics, pages 494–499, Beppu, Oita, Japan, Jan 25-27 2007.

[532] L. Fernandez, F. Arroyo, J.A. Tejedor, and J. Castellanos. Massively par-allel algorithm for evolution rules application in transition p systems. InH.J. Hoogeboom, Gh. Paun, and G. Rozenberg, editors, Pre-proceedingsof Membrane Computing, International Workshop, WMC7, pages 337–343, Leiden, The Netherlands, 2006.

[533] L. Fernandez, V.J. Martinez, F. Arroyo, and L.F. Mingo. A hardwarecircuit for selecting active rules in transition p systems. In in G. Ciobanu,Gh. Paun, Pre-Proc. of First International Workshop on Theory andApplication of P Systems, Timisoara, Romania, September 26-27, pages45–48, 2005.

[534] Claudio Ferretti, Giancarlo Mauri, Gheorghe Paun, and Claudio Zan-dron. On three variants of P systems with string-objects. TechnicalReport 17/01, Rovira i Virgili University, Tarragona, Spain, 2001. Tech-nical Report 17/01 of Research Group on Mathematical Linguistics.

[535] Claudio Ferretti, Giancarlo Mauri, Gheorghe Paun, and Claudio Zan-dron. On three variants of P systems with string-objects. In Pre-Proceedings of Workshop on Membrane Computing, Curtea de Arges,Romania, August 2001.

[536] Claudio Ferretti, Giancarlo Mauri, Gheorghe Paun, and Claudio Zan-dron. On three variants of rewriting P systems. Theoretical ComputerScience, 301(1-3):201–215, May 2003.

[537] Federico Fontana and Giuditta Franco. Finding the maximum elementusing P systems. Journal of Universal Computer Science, 10(5):567–580,May 2004.

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[538] Federico Fontana and Giuditta Franco. Maximum search using P sys-tems. Technical Report 01/2004, Dept. of Computer Sciences and Arti-ficial Intelligence, Univ. of Sevilla, 2004.

[539] Federico Fontana and Giuditta Franco. Maximum search using Psystems. In Gheorghe Paun, Agustın Riscos-Nunez, Alvaro Romero-Jimenez, and Fernando Sancho-Caparrini, editors, Second Brainstorm-ing Week on Membrane Computing, Sevilla, Spain, February 2-7 2004,pages 152–163, Sevilla, Spain, February 2-7 2004.

[540] Federico Fontana and Vicenzo Manca. Discrete solution of differentialequations by P metabolic algorithm. In Miguel Angel Gutierrez-Naranjo,Gheorghe Paun, Agustın Riscos-Nunez, and Francisco Jose Romero-Campero, editors, Fourth Brainstorming Week on Membrane Comput-ing, Sevilla, January 30 - February 3, 2006. Volume II, pages 31–40.Fenix Editora, 2006.

[541] Federico Fontana and Vincenzo Manca. Discrete solutions to differentialequations by metabolic p systems. Theoretical Computer Science, 372(2-3):165–182, 2007.

[542] Federico Fontana and Vincenzo Manca. Predator-prey dynamics in P sys-tems ruled by metabolic algorithm. Biosystems, 91(3):545–557, 2008.

[543] G. Franco, P.H. Guzzi, V. Manca, and T. Mazza. Mitotic oscillatorsas mp graphs. In H.J. Hoogeboom, Gh. Paun, and G. Rozenberg, edi-tors, Pre-proceedings of Membrane Computing, International Workshop,WMC7, pages 344–356, Leiden, The Netherlands, 2006.

[544] G. Franco, N. Jonoska, B. Osborn, and A. Plaas. Knee joint injury andrepair modeled by membrane systems. Biosystems. To appear.

[545] G. Franco, N. Jonoska, B. Osborn, and A. Plaas. Modeling knee injuriesby membrane systems. In Pre-Proc. of the sixth Workshop on MembraneComputing, WMC6, Vienna, Austria, 2005.

[546] G. Franco and M. Margenstern. Computing by floating strings. In N. Busiand C. Zandron, editors, Proceedings MeCBIC 2006, Venice, 2006.

[547] Giuditta Franco. Membrane Kauffman Networks. Technical Report01/2004, Dept. of Computer Sciences and Artificial Intelligence, Univ.of Sevilla, 2004.

[548] Giuditta Franco. Membrane Kauffman networks. In Gheorghe Paun,Agustın Riscos-Nunez, Alvaro Romero-Jimenez, and Fernando Sancho-Caparrini, editors, Second Brainstorming Week on Membrane Comput-ing, Sevilla, Spain, February 2-7 2004, pages 164–167, Sevilla, Spain,February 2-7 2004.

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[549] Giuditta Franco, Natasa Jonoska, Barbara Osborn, and Anna Plaas.Knee joint injury and repair modeled by membrane systems. Biosystems,91(3):473–488, 2008.

[550] Giuditta Franco and Vincenzo Manca. A membrane system for the leuco-cyte selective recruitment. In Artiom Alhazov, Carlos Martın-Vide, andGheorghe Paun, editors, Preproceedings of the Workshop on MembraneComputing, pages 222–230., Tarragona, July 17-22 2003.

[551] Giuditta Franco and Vincenzo Manca. A membrane system for the leuko-cyte selective recruitment. In Carlos Martın-Vide, Giancarlo Mauri, Ghe-orghe Paun, Grzegorz Rozenberg, and Arto Salomaa, editors, MembraneComputing, International Workshop, WMC 2003, Tarragona, Spain,July, 17-22, 2003, Revised Papers, volume 2933 of Lecture Notes in Com-puter Science, pages 181–190. Springer, July 2003.

[552] Giuditta Franco and Vincenzo Manca. Modeling some biological phe-nomena by P systems. In EMCC Workshop, Vienna, November 2003.

[553] Franziska Freund, Rudolf Freund, and Marion Oswald. Splicing Test TubeSystems and Their Relation to Splicing Membrane Systems, volume 2950of Lecture Notes in Computer Science, pages 139–151. Springer, 2004.

[554] Franziska Freund, Rudolf Freund, Marion Oswald, Maurice Margen-stern, Yurii Rogozhin, and Sergey Verlan. P systems with cut-ting/recombination rules assigned to membranes. In Carlos Martın-Vide,Giancarlo Mauri, Gheorghe Paun, Grzegorz Rozenberg, and Arto Sa-lomaa, editors, Membrane Computing, International Workshop, WMC2003, Tarragona, Spain, July, 17-22, 2003, Revised Papers, volume 2933of Lecture Notes in Computer Science, pages 191–202. Springer, July2003.

[555] R. Freund and M. Oswald. P colonies working in the maximally paralleland in the sequential mode. In in G. Ciobanu, Gh. Paun, Pre-Proc. ofFirst International Workshop on Theory and Application of P Systems,Timisoara, Romania, September 26-27, pages 49–56, 2005.

[556] R. Freund and M. Oswald. Tissue p systems with mate and drip oper-ations. In N. Busi and C. Zandron, editors, Proceedings MeCBIC 2006,Venice, 2006.

[557] R. Freund and M. Oswald. Spiking neural p systems with inhibitoryaxons. In M. Sugisaka and H. Tanaka, editors, Proceedings of the 12thInt. Symposium on Artificial Life and Robotics, pages 509–512, Beppu,Oita, Japan, Jan 25-27 2007.

[558] R. Freund, M. Oswald, and T. Schirk. How a membrane agent buysgoods in a membrane store. In Proc. Bio-Inspired Computing – Theoryand Applications Conf., BIC-TA 2006, Wuhan, China, September 2006,Membrane Computing Section., 2006.

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[559] R. Freund, M. Oswald, and T. Schirk. How a membrane agent buys goodsin a membrane store. In Pre-proceedings of International Conferenceon Bio-Inspired Computing - Theory and Applications, BIC-TA 2006,Membrane Computing Section, pages 93–102, Wuhan, China, September2006.

[560] R. Freund and A. Paun. P systems with active membranes and withoutpolarizations. Soft Computing, 9(9):657–663, September 2005.

[561] R. Freund, Gh. Paun, and M.J. Perez-Jimenez. Polarizationless p sys-tems with active membranes working in the minimally parallel man-ner. In M.A. Gutierrez-Naranjo, Gh. Paun, A. Romero-Jimenez, andA. Nunez, editors, Proceedings of the Fifth Brainstorming Week on Mem-brane Computing, pages 131–156, Sevilla (Spain), January 29th - Febru-ary 2 2007.

[562] R. Freund, Gh. Paun, G. Rozenberg, and A. Salomaa. Membrane Com-puting. LNCS 3850. Springer-Verlag, 2006.

[563] R. Freund and S. Verlan. A formal framework for P systems. In G. Eleft-herakis and Gh. Paun P. Kefalas, editors, Pre-proceedings of MembraneComputing, International Workshop - WMC8, pages 317–330, Thessa-loniki, Greece, 2007.

[564] Rudolf Freund. Generalized P systems. In Gabriel Ciobanu and Gheo-rghe Paun, editors, Fundamentals of Computation Theory, FCT’99, Iasi,1999, volume 1684? of Lecture Notes in Computer Science, pages 281–292, Berlin, 1999. Springer-Verlag.

[565] Rudolf Freund. Generalized P systems with splicing and cut-ting/recombination. In Workshop on Formal Languages, FCT99, Iasi,1999.

[566] Rudolf Freund. Generalized P systems with splicing and cut-ting/recombination. Grammars, 2(3):189–199, December 1999.

[567] Rudolf Freund. Sequential P systems. In Rudolf Freund, editor, Theori-etag 2000. Workshop on New Computing Paradigms, pages 177–183. TUUniversity Vienna, 2000.

[568] Rudolf Freund. Sequential P systems. Romanian Journal of InformationScience and Technology, 4(1-2):77–88, 2001.

[569] Rudolf Freund. Special variants of P systems inducing an infinite hiearchywith respect to the number of membranes. Bulletin of the EATCS,(75):209–219, October 2001.

[570] Rudolf Freund. Energy-controlled P systems. In Pre-Proceedings of Sec-ond Workshop on Membrane Computing, Curtea de Arges, Romania,August 2002.

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[571] Rudolf Freund. Energy-controlled P systems. In Gheorghe Paun, Grze-gorz Rozenberg, Arto Salomaa, and Claudio Zandron, editors, Mem-brane Computing: International Workshop, WMC-CdeA 2002, Curteade Arges, Romania, August 19-23, 2002. Revised Papers., volume 2597of Lecture Notes in Computer Science, pages 247–260, Curtea de Arges,Romania, July 2003. Springer-Verlag, Berlin.

[572] Rudolf Freund. Asynchronous P systems. In Pre-proceedings of the FifthWorkshop on Membrane Computing (WMC5), Milano, Italy, June 2004,pages 12–28, Milano, Italy, June 2004.

[573] Rudolf Freund. Asynchronous P Systems on arrays and strings. Submit-ted, 2004. DLT’04 - Eighth International Conference on Developmentsin Language Theory. To appear in Proceedings of DLT’04 Lecture Notesin Computer Science, Springer. 2004.

[574] Rudolf Freund. P systeme im sequentiellen modus. In Workshop FormaleMethoden der Linguistik, and 14 Theorietag Automaten und FormaleSprachen, pages 57–61, Potsdam, 2004.

[575] Rudolf Freund. Particular results for variants of P systems with onecatalyst in one membrane. In Miguel Angel Gutierrez-Naranjo, Gheo-rghe Paun, Agustın Riscos-Nunez, and Francisco Jose Romero-Campero,editors, Fourth Brainstorming Week on Membrane Computing, Sevilla,January 30 - February 3, 2006. Volume II, pages 41–50. Fenix Editora,2006.

[576] Rudolf Freund, Artiom Alhazov, Yurii Rogozhin, and Sergey Verlan.Communication P Systems, pages 118–143. Oxford University Press,2010.

[577] Rudolf Freund and Franziska Freund. Molecular computing with general-ized homogeneous P systems. In Anne Condon and Grzegorz Rozenberg,editors, Proc. Conf. DNA6, pages 113–125, Leiden, 2000.

[578] Rudolf Freund and Franziska Freund. Molecular computing with gener-alized homogeneous P-systems. In A. Condon and G. Rozenberg, editors,DNA Computing: 6th International Workshop on DNA-Based Comput-ers, DNA 2000, Leiden, The Netherlands, June 13-17, 2000, RevisedPapers, volume 2054 of Lecture Notes In Computer Science, pages 113–125, Leiden, The Netherlads, June 2001. Springer-Verlag Heidelberg.

[579] Rudolf Freund and Theresia Gschwandtner. P systems for modellingbiological processes in living cells. In Rudolf Freund and Marion Oswald,editors, 16. Theorietag Automaten und Formale Sprachen, pages 46–50,2006.

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[580] Rudolf Freund, Oscar H. Ibarra, Gheorghe Paun, and H.-C. Yen. Ma-trix languages, register machines, vector addition systems. In Proceed-ings of the Third Brainstorming Week on Membrane Computing, Sevilla(Spain), January 31st - February 4th, pages 155–168, 2005.

[581] Rudolf Freund, Mihai Ionescu, and Marion Oswald. Extended spikingneural P systems with decaying spikes and/or total spiking. In GyorgyVaszil, editor, Proceedings of the International Workshop on Automatafor Cellular and Molecular Computing, pages 64–75, 2007.

[582] Rudolf Freund, Mihai Ionescu, and Marion Oswald. Extended spikingneural P systems with decaying spikes and/or total spiking. InternationalJournal of Foundations of Computer Science, 19(5):1223–1234, 2008.

[583] Rudolf Freund, Lila Kari, Marion Oswald, and Petr Sosık. Computation-ally universal P systems without priorities: two catalysts are sufficient.Theoretical Computer Science, 2004. In press.

[584] Rudolf Freund and Marian Kogler. Drip and mate operations acting intest tube systems and tissue-like P systems. In G. Ciobanu, editor, ThirdWorkshop on Membrane Computing and Biologically Inspired ProcessCalculi 2009, pages 123–136, 2009.

[585] Rudolf Freund and Marian Kogler. Hybrid transition modes in tissue Psystems. In Gh. Paun, M.J. Perez-Jimenez, and A. Riscos-Nuez, editors,Tenth Workshop on Membrane Computing, pages 228–239, 2009.

[586] Rudolf Freund, Marian Kogler, and Sergey Verlan. P automata with con-trolled use of minimal communication rules. In H. Bordihn, R. Freund,M. Holzer, M. Kutrib, and F. Otto, editors, Workshop on Non-ClassicalModels for Automata and Applications (NCMA), pages 107–119, 2009.

[587] Rudolf Freund, Alberto Leporati, Marion Oswald, and Claudio Zandron.Sequential P systems with unit rules and energy assigned to membranes.Technical Report 01/2004, Dept. of Computer Sciences and ArtificialIntelligence, Univ. of Sevilla, 2004.

[588] Rudolf Freund, Alberto Leporati, Marion Oswald, and Claudio Zan-dron. Sequential P systems with unit rules and energy assigned tomembranes. In Gheorghe Paun, Agustın Riscos-Nunez, Alvaro Romero-Jimenez, and Fernando Sancho-Caparrini, editors, Second BrainstormingWeek on Membrane Computing, Sevilla, Spain, February 2-7 2004, pages168–182, Sevilla, Spain, February 2-7 2004.

[589] Rudolf Freund, Carlos Martın-Vide, Adam Obtulowicz, and GheorghePaun. On three classes of automata-like P systems. In Zoltan Esikand Zoltan Fulop, editors, Developments in Language Theory, 7th In-ternational Conference, DLT 2003, Szeged, Hungary, July 7-11, 2003,Proceedings, volume 2710 of Lecture Notes In Computer Science, pages292–303. Springer-Verlag Heidelberg, 2003.

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[590] Rudolf Freund, Carlos Martın-Vide, and Gheorghe Paun. Computingwith membranes: Three more collapsing hierarchies, 2000.

[591] Rudolf Freund, Carlos Martın-Vide, and Gheorghe Paun. From regu-lated rewriting to computing with membranes: collapsing hierarchies.Theoretical Computer Science, 312(2-3):143–188, January 2004.

[592] Rudolf Freund and Marion Oswald. Variants of GP Systems. Techni-cal Report 17/01, Rovira i Virgili University, Tarragona, Spain, 2001.Technical Report 17/01 of Research Group on Mathematical Linguistics.

[593] Rudolf Freund and Marion Oswald. Variants of GP Systems. In Pre-Proceedings of Workshop on Membrane Computing, Curtea de Arges,Romania, August 2001.

[594] Rudolf Freund and Marion Oswald. GP Systems with forbidding con-text. Fundamenta Informaticae, 49(1-3):81–102, January 2002. SpecialIssue: Membrane Computing (WMC-CdeA2001) Guest Editor(s): Car-los Martın-Vide, Gheorghe Paun.

[595] Rudolf Freund and Marion Oswald. A short note on analysing P systemswith antiport rules. Bulletin of the EATCS, (78):231–236, October 2002.

[596] Rudolf Freund and Marion Oswald. Complexity of P automata withcatalysts. In EMCC Workshop, Vienna, November 2003.

[597] Rudolf Freund and Marion Oswald. P systems with activated/prohibitedmembrane channels. In Gheorghe Paun, Grzegorz Rozenberg, Arto Sa-lomaa, and Claudio Zandron, editors, Membrane Computing: Interna-tional Workshop, WMC-CdeA 2002, Curtea de Arges, Romania, August19-23, 2002. Revised Papers., volume 2597 of Lecture Notes in ComputerScience, pages 261–269, Curtea de Arges, Romania, July 2003. Springer-Verlag, Berlin.

[598] Rudolf Freund and Marion Oswald. P systems with conditional com-munication rules assigned to membranes. In Artiom Alhazov, CarlosMartın-Vide, and Gheorghe Paun, editors, Preproceedings of the Work-shop on Membrane Computing, pages 231–240, Tarragona, July 17-222003.

[599] Rudolf Freund and Marion Oswald. P systems with elementary graphproductions. Technical Report 26, Rovira i Virgili University, 2003.

[600] Rudolf Freund and Marion Oswald. P systems with elementary graphproductions. In Matteo Cavaliere, Carlos Martın-Vide, and GheorghePaun, editors, Brainstorming Week on Membrane Computing, Tarrag-ona, February 5-11 2003, pages 180–188, Tarragona, February 5-11 2003.

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[601] Rudolf Freund and Marion Oswald. Modelling grammar systems by tis-sue P systems. In Pre-Proceedings of Workshop on Grammar Systems,Computer and Automation Research Institute (SZTAKI) of the Hungar-ian Academy of Sciences (MTA), pages 162–179, Budapest, July 5-92004.

[602] Rudolf Freund and Marion Oswald. P systems with antiport rules forevolution rules. Technical Report 01/2004, Dept. of Computer Sciencesand Artificial Intelligence, Univ. of Sevilla, 2004.

[603] Rudolf Freund and Marion Oswald. P systems with antiport rules for evo-lution rules. In Gheorghe Paun, Agustın Riscos-Nunez, Alvaro Romero-Jimenez, and Fernando Sancho-Caparrini, editors, Second BrainstormingWeek on Membrane Computing, Sevilla, Spain, February 2-7 2004, pages183–192, Sevilla, Spain, February 2-7 2004.

[604] Rudolf Freund and Marion Oswald. P systems with dynamic channelstransporting membrane vesicles. Submitted, 2004.

[605] Rudolf Freund and Marion Oswald. P systems with local graph produc-tions. New Generation Computing, 22(4):365–375, August 2004.

[606] Rudolf Freund and Marion Oswald. Tissue p systems with sym-port/antiport rules of one symbol are computationally universal. Sub-mitted, 2005.

[607] Rudolf Freund and Marion Oswald. Tissue P systems with sym-port/antiport rules of one symbol are computationally universal. In Pro-ceedings of the ESF Exploratory Workshop on Cellular Computing (Com-plexity Aspects), Sevilla (Spain), January 31st - February 2nd, pages187–200, 2005.

[608] Rudolf Freund and Marion Oswald. P colonies and prescribed teams.Intern. J. Computer Math., 2006.

[609] Rudolf Freund and Marion Oswald. Small universal antiport P systemsand universal multiset grammars. In Miguel Angel Gutierrez-Naranjo,Gheorghe Paun, Agustın Riscos-Nunez, and Francisco Jose Romero-Campero, editors, Fourth Brainstorming Week on Membrane Comput-ing, Sevilla, January 30 - February 3, 2006. Volume II, pages 51–64.Fenix Editora, 2006.

[610] Rudolf Freund and Marion Oswald. Partial halting in P systems. Inter-national Journal of Foundations of Computer Science, 18(6):1215–1225,2007.

[611] Rudolf Freund and Marion Oswald. Regular omega-languages definedby finite extended spiking neural P systems. Fundamenta Informaticae,83(1-2):65–73, 2008.

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[612] Rudolf Freund, Marion Oswald, Franziska Freund, Maurice Margen-stern, Sergey Verlan, and Yurii Rogozhin. P systems with cut-ting/recombination rules assigned to membranes. In Artiom Alhazov,Carlos Martın-Vide, and Gheorghe Paun, editors, Preproceedings of theWorkshop on Membrane Computing, pages 241–251, Tarragona, July 17-22 2003.

[613] Rudolf Freund, Marion Oswald, and Andrei Paun. P systems generatingtrees. In Pre-proceedings of the Fifth Workshop on Membrane Computing(WMC5), Milano, Italy, June 2004, pages 221–232, Milano, Italy, June2004.

[614] Rudolf Freund, Marion Oswald, and Thomas Schirk. How a membraneagent buys goods in a membrane store. Progress in Natural Science,17(4):442–448, 2007.

[615] Rudolf Freund, Marion Oswald, and Ludwig Staiger. In Carlos Martın-Vide, Giancarlo Mauri, Gheorghe Paun, Grzegorz Rozenberg, and ArtoSalomaa, editors, Membrane Computing, International Workshop, WMC2003, Tarragona, Spain, July, 17-22, 2003, Revised Papers, July.

[616] Rudolf Freund, Marion Oswald, and Ludwig Staiger. Omega-P automatawith communication rules. In Artiom Alhazov, Carlos Martın-Vide, andGheorghe Paun, editors, Preproceedings of the Workshop on MembraneComputing, pages 252–265, Tarragona, July 17-22 2003.

[617] Rudolf Freund and Andrei Paun. Membrane systems with sym-port/antiport: Universality results. In Gheorghe Paun, Grzegorz Rozen-berg, Arto Salomaa, and Claudio Zandron, editors, Membrane Com-puting: International Workshop, WMC-CdeA 2002, Curtea de Arges,Romania, August 19-23, 2002. Revised Papers., volume 2597 of LectureNotes in Computer Science, pages 270–287, Curtea de Arges, Romania,July 2003. Springer-Verlag, Berlin.

[618] Rudolf Freund and Andrei Paun. P systems with active membranes andwithout polarizations. Technical Report 01/2004, Dept. of ComputerSciences and Artificial Intelligence, Univ. of Sevilla, 2004.

[619] Rudolf Freund and Andrei Paun. P systems with active membranes andwithout polarizations. In Gheorghe Paun, Agustın Riscos-Nunez, Al-varo Romero-Jimenez, and Fernando Sancho-Caparrini, editors, SecondBrainstorming Week on Membrane Computing, Sevilla, Spain, February2-7 2004, pages 193–205, Sevilla, Spain, February 2-7 2004.

[620] Rudolf Freund and Gheorghe Paun. On deterministic P Systems. Sub-mitted.

[621] Rudolf Freund, Gheorghe Paun, and Mario J. Perez-Jimenez. Tissue-like P systems with channel-states. Technical Report 01/2004, Dept. ofComputer Sciences and Artificial Intelligence, Univ. of Sevilla, 2004.

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[622] Rudolf Freund, Gheorghe Paun, and Mario J. Perez-Jimenez. Tissue-like P systems with channel-states. In Gheorghe Paun, Agustın Riscos-Nunez, Alvaro Romero-Jimenez, and Fernando Sancho-Caparrini, ed-itors, Second Brainstorming Week on Membrane Computing, Sevilla,Spain, February 2-7 2004, pages 206–223, Sevilla, Spain, February 2-72004.

[623] Rudolf Freund, Gheorghe Paun, and Mario J. Perez-Jimenez. Tissue Psystems with channel states. Theoretical Computer Science, 2004. Inpress.

[624] Rudolf Freund and Sergey Verlan. P systems working in the k-restrictedminimally parallel derivation mode. In Erzsebet Csuhaj-Varju, RudolfFreund, Marion Oswald, and Kai Salomaa, editors, International Work-shop on Computing with Biomolecules, pages 43–52, 2008.

[625] P. Frisco. About p systems with symport/antiport. Soft Computing,9(9):664–672, September 2005.

[626] P. Frisco. Infinite hierarchies of conformon-p systems. In H.J. Hooge-boom, Gh. Paun, and G. Rozenberg, editors, Pre-proceedings of Mem-brane Computing, International Workshop, WMC7, pages 357–371, Lei-den, The Netherlands, 2006.

[627] P. Frisco. Conformon-p systems with negative values. In Gh. PaunG. Eleftherakis, P. Kefalas, editor, Pre-proceedings of Membrane Com-puting, International Workshop - WMC8, pages 331–344, Thessaloniki,Greece, 2007.

[628] P. Frisco. From molecular computing to modelling with conformons andcomputing by observation. Ramanujan Math. Soc. Lecture Notes Series,(3):85–101, 2007.

[629] P. Frisco and D. W. Corne. Dynamics of hiv infection studied withcellular automata and conformon-p systems. Submitted, 2006.

[630] P. Frisco and D. W. Corne. Dynamics of hiv infection studied withconformon-p systems. In The Seventh International Conference on Sys-tems Biology, October 9-13, 2006, Yokohama, Japan, Yokohama, Japan,october 9–13 2006.

[631] P. Frisco and D.W. Corne. Advances in modeling the dynamics of hivinfection with conformon-P systems. In G. Eleftherakis and Gh. PaunP. Kefalas, editors, Pre-proceedings of Membrane Computing, Interna-tional Workshop - WMC8, pages 21–32, Thessaloniki, Greece, 2007.

[632] P. Frisco and Ranulf T. Gibson. A simulator and an evolution programfor conformon-P systems. In in G. Ciobanu, Gh. Paun, Pre-Proc. ofFirst International Workshop on Theory and Application of P Systems,Timisoara, Romania, September 26-27, pages 57–60, 2005.

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[633] P. Frisco and P Systems. Petri nets and program machine. In Pre-Proc. ofthe sixth Workshop on Membrane Computing, WMC6, Vienna, Austria,pages 336–354, 2005.

[634] Pierluigi Frisco. Membrane computing based on splicing: Improvements.Technical Report 140, University of Auckland, 2000.

[635] Pierluigi Frisco. Membrane computing based on splicing: Improvements.In Pre-Proceedings Workshop on Multiset Processing, Curtea de Arges,Romania, August 2000.

[636] Pierluigi Frisco. On two variants of splicing P systems. Romanian Journalof Information Science and Technology, 4(1-2):89–100, 2001.

[637] Pierluigi Frisco. About P systems with symport/antiport. TechnicalReport 01/2004, Dept. of Computer Sciences and Artificial Intelligence,Univ. of Sevilla, 2004.

[638] Pierluigi Frisco. About P systems with symport/antiport. In GheorghePaun, Agustın Riscos-Nunez, Alvaro Romero-Jimenez, and FernandoSancho-Caparrini, editors, Second Brainstorming Week on MembraneComputing, Sevilla, Spain, February 2-7 2004, pages 224–236, Sevilla,Spain, February 2-7 2004.

[639] Pierluigi Frisco. The Conformon-P System: A molecular and cell biology-inspired computability model. Theoretical Computer Science, 312(2-3):295–319, January 2004.

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[784] Mihai Ionescu and Dragos Sburlan. On P systems with promot-ers/inhibitors. Journal of Universal Computer Science, 10(5):581–599,May 2004.

[785] Florentin Ipate and Marian Gheorghe. Testing non-deterministic streamX-machine models and P systems. In Gabriel Ciobanu, editor, SecondInternational Meeting on Membrane Computing and Biologically InspiredProcess Calculi, pages 117–130, 2008.

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[787] T. O. Ishdorj. Membrane Computing, Neural Inspiration, Gene Assemblyin Ciliates. PhD thesis, Universidad de Sevilla, Spain, Sevilla, Spain,2007.

[788] Tseren Onolt Ishdorj and Mihai Ionescu. Replicative-distribution rulesin P Systems with active membranes. Submitted, 2004. First Interna-tional Colloquium on THEORETICAL ASPECTS OF COMPUTINGGuiyang, China 20 - 24 September 2004.

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[792] John Jack, Andrei Paun, and Alfonso Rodrıguez-Paton. Effects of HIV-1proteins on the Fas-mediated apoptotic signaling cascade: A computa-tional study of latent CD4+, T cell activation. In David Wolfe Corne,Pierluigi Frisco, Gheorghe Paun, Grzegorz Rozenberg, and Arto Salo-maa, editors, Membrane Computing: 9th International Workshop, vol-ume 5391 of Lecture Notes in Computer Science, pages 246–259, 2009.

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[794] Duncan Jackson, Marian Gheorghe, Mike Holcombe, and FrancescoBernardini. An agent-based behavioural model of monomorium pharao-nis colonies. In Carlos Martın-Vide, Giancarlo Mauri, Gheorghe Paun,Grzegorz Rozenberg, and Arto Salomaa, editors, Membrane Comput-ing, International Workshop, WMC 2003, Tarragona, Spain, July, 17-22, 2003, Revised Papers, volume 2933 of Lecture Notes in ComputerScience, pages 232–239. Springer, July 2003.

[795] Sungchul Ji. The Bhopalator: An information/energy dual model of theliving cell. Technical Report 17/01, Rovira i Virgili University, Tarrag-ona, Spain, 2001. Technical Report 17/01 of Research Group on Mathe-matical Linguistics.

[796] Sungchul Ji. The Bhopalator: An information/energy dual model of theliving cell. In Pre-Proceedings of Workshop on Membrane Computing,Curtea de Arges, Romania, August 2001.

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[823] Waldemar Korczynski. Transformacje systemow Pauna jako modelprzeksztalcen systemowych. Technical Report W2/2003, WSU Kielce,2004. Raport z Badan Grantu W2/2003.

[824] Waldemar Korczynski. Paun’s systems as models of economic systems.Progress in Natural Science, 17(4):466–470, 2007.

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[829] Shankara N. Krishna. Universality results for P systems based on branecalculi operations. Theoretical Computer Science, 371(1-2):83–105, 2007.

[830] Shankara-Narayanan Krishna. P systems with symport/antiport: Thetraces of RBCs. In Giancarlo Mauri, Gheorghe Paun, Mario J. Perez-Jimenez, Grzegorz Rozenberg, and Arto Salomaa, editors, MembraneComputing. International Workshop WMC5, Milano, Italy, 2004, LNCS,Springer, 2005 (TO APPEAR).

[831] Shankara Narayanan Krishna. Computing with simple P systems. Tech-nical Report 140, University of Auckland, 2000.

[832] Shankara-Narayanan Krishna. Computing with simple P systems. InPre-Proceedings Workshop on Multiset Processing, Curtea de Arges, Ro-mania, August 2000.

[833] Shankara Narayanan Krishna. Infinite hierarchies on some variants of PSystems. Submitted, 2002.

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[836] Shankara Narayanan Krishna. On the efficiency of a variant of P sys-tems with mobile membranes. In Proceedings of the ESF ExploratoryWorkshop on Cellular Computing (Complexity Aspects), Sevilla (Spain),January 31st - February 2nd, pages 237–246, 2005.

[837] Shankara Narayanan Krishna. The power of mobility: four membranessuffice. In CiE2005: New Computational Paradigms, Amsterdam, 2005.

[838] Shankara Narayanan Krishna. On the computational power of flip-flopproteins on membranes. In S. Barry Cooper, Benedikt Lowe, and An-drea Sorbi, editors, Proceedings of the 3rd conference on Computabilityin Europe: Computation and Logic in the Real World, volume 4497 ofLecture Notes in Computer Science, pages 695–704, 2007.

[839] Shankara Narayanan Krishna. The expressiveness of concentration con-trolled P systems. In Cristian S. Calude, Jose Felix Costa, Rudolf Freund,Marion Oswald, and Grzegorz Rozenberg, editors, Proceedings of the 7thinternational conference on Unconventional Computing, volume 5204 ofLecture Notes in Computer Science, pages 96–110, 2008.

[840] Shankara Narayanan Krishna and Gabriel Ciobanu. On the compu-tational power of enhanced mobile membranes. In Arnold Beckmann,Costas Dimitracopoulos, and Benedikt Lowe, editors, Proceedings of the4th conference on Computability in Europe: Logic and Theory of Algo-rithms, volume 5028 of Lecture Notes in Computer Science, pages 326–335, 2008.

[841] Shankara Narayanan Krishna, Kamala Krithivasan, and RaghavanRama. P systems with picture objects. Acta Cybernetica, 15(1):53–74,2001.

[842] Shankara Narayanan Krishna, K. Lakshmanan, and Raghavan Rama.Hybrid P systems. Romanian Journal of Information Science and Tech-nology, 4(1-2):111–123, 2001.

[843] Shankara Narayanan Krishna, K. Lakshmanan, and Raghavan Rama. Onthe power of P systems with contextual rules. Technical Report 17/01,Rovira i Virgili University, Tarragona, Spain, 2001. Technical Report17/01 of Research Group on Mathematical Linguistics.

[844] Shankara Narayanan Krishna, K. Lakshmanan, and Raghavan Rama. Onthe power of P systems with contextual rules. Fundamenta Informati-cae, 49(1-3):167–178, January 2002. Special Issue: Membrane Comput-ing (WMC-CdeA2001) Guest Editor(s): Carlos Martın-Vide, GheorghePaun.

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[846] Shankara-Narayanan Krishna, Kuppuswamy Lakshmanan, and Ragha-van Rama. Tissue P systems with contextual and rewriting rules. InPre-Proceedings of Second Workshop on Membrane Computing, Curteade Arges, Romania, August 2002.

[847] Shankara-Narayanan Krishna, Kuppuswamy Lakshmanan, and Ragha-van Rama. Tissue P systems with contextual and rewriting rules. InGheorghe Paun, Grzegorz Rozenberg, Arto Salomaa, and Claudio Zan-dron, editors, Membrane Computing: International Workshop, WMC-CdeA 2002, Curtea de Arges, Romania, August 19-23, 2002. RevisedPapers., volume 2597 of Lecture Notes in Computer Science, pages 339–351, Curtea de Arges, Romania, July 2003. Springer-Verlag, Berlin.

[848] Shankara Narayanan Krishna and Andrei Paun. Some universality resultson evolution-communication P systems. Technical Report 26, Rovira iVirgili University, 2003.

[849] Shankara-Narayanan Krishna and Andrei Paun. Some universality re-sults on evolution-communication P systems. In Matteo Cavaliere, Car-los Martın-Vide, and Gheorghe Paun, editors, Brainstorming Week onMembrane Computing, Tarragona, February 5-11 2003, pages 207–215,Tarragona, February 5-11 2003.

[850] Shankara Narayanan Krishna and Andrei Paun. Three universality re-sults on P systems. Technical Report 26, Rovira i Virgili University,2003.

[851] Shankara-Narayanan Krishna and Andrei Paun. Three universality re-sults on P systems. In Matteo Cavaliere, Carlos Martın-Vide, and Gheo-rghe Paun, editors, Brainstorming Week on Membrane Computing, Tar-ragona, February 5-11 2003, pages 198–206, Tarragona, February 5-112003.

[852] Shankara Narayanan Krishna and Andrei Paun. Results on catalyticand evolution-communication P systems. New Generation Computing,22(4):377–394, August 2004.

[853] Shankara Narayanan Krishna and Gheorghe Paun. P Systems with mo-bile membranes. Submitted, 2004.

[854] Shankara Narayanan Krishna and Raghavan Rama. A variant of P sys-tems with active membranes: Solving NP-Complete problems. RomanianJournal of Information Science and Technology, 2(4):357–367, 1999.

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[855] Shankara Narayanan Krishna and Raghavan Rama. On simple P Systemswith external output. Submitted, 2000.

[856] Shankara Narayanan Krishna and Raghavan Rama. On the power of Psystems based on sequential/parallel rewriting. International Journal ofComputer Mathematics, 77(1-2):1–14, 2000.

[857] Shankara-Narayanan Krishna and Raghavan Rama. Insertion-deletion Psystems. In Natasha Jonoska and N.C. Seeman, editors, Proc. 7th Intern.Meeting on DNA Based Computers, pages 350–359, Tampa, Florida,USA, 2001.

[858] Shankara Narayanan Krishna and Raghavan Rama. A note on parallelrewriting in P systems. Bulletin of the EATCS, (73):147–151, February2001.

[859] Shankara Narayanan Krishna and Raghavan Rama. P systems with repli-cated rewriting. Journal of Automata, Languages and Combinatorics,6(3):345–350, 2001.

[860] Shankara Narayanan Krishna and Raghavan Rama. Time-varying andnull parallel P Systems. No aparece, 2001. No aparece.

[861] Shankara Narayanan Krishna and Raghavan Rama. On the power of tis-sue P systems working in minimal mode. In Cristian Calude, Michael J.Dinneen, and Ferdinand Peper, editors, Unconventional Models of Com-putation: Third International Conference, UMC 2002, Kobe, Japan,October 15-19, 2002. Proceedings, volume 2509 of Lecture Notes InComputer Science, pages 208–219, London, UK, October 15–19 2002.Springer-Verlag Heidelberg.

[862] Shankara Narayanan Krishna and Raghavan Rama. Breaking DES usingP systems. Theoretical Computer Science, 299(1-3):495–508, April 2003.

[863] Shankara Narayanan Krishna, Raghavan Rama, and H. Ramesh. Furtherresults on contextual/rewriting P systems. Fundamenta Informaticae,2005. To appear.

[864] S.N. Krishna. Combining brane calculus and membrane computing. InPre-proceedings of International Conference on Bio-Inspired Computing -Theory and Applications, BIC-TA 2006, Membrane Computing Section,pages 131–143, Wuhan, China, September 2006.

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[868] S.N. Krishna and R. Rama. Towards reducing parallelism in P systems.World Scientific, Singapore, 2006.

[869] S.N. Krishna and R. Rama. An infinite hierarchy for some variants of psystems. Ramanujan Math. Soc. Lecture Notes Series, (3):179–185, 2007.

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[871] Kamala Krithivasan. P automata with tapes. Technical Report 26,Rovira i Virgili University, 2003.

[872] Kamala Krithivasan. P Automata with tapes. In Matteo Cavaliere,Carlos Martın-Vide, and Gheorghe Paun, editors, Brainstorming Weekon Membrane Computing, Tarragona, February 5-11 2003, pages 216–225, Tarragona, February 5-11 2003.

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[1084] Linqiang Pan and Carlos Martın-Vide. Further remark on p systemswith active membranes and two polarizations. Journal of Parallel andDistributed Computing, 66:867–872, 2006.

[1085] Linqiang Pan and Mario J. Perez-Jimenez. Computational complexityof tissue-like p systems. Journal of Complexity.

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[1115] Gh. Paun. Twenty six research topics about spiking neural p systems. InM.A. Gutierrez-Naranjo, Gh. Paun, A. Romero-Jimenez, and A. Nunez,editors, Proceedings of the Fifth Brainstorming Week on Membrane Com-puting, pages 363–280, Sevilla (Spain), January 29th - February 2 2007.

[1116] Gh. Paun and R. Paun. Membrane computing models for economics. Aninvitation-survey. Studii si Cercetari de Calcul Economic si CiberneticaEconomica. To appear.

[1117] Gh. Paun and M.J. Perez-Jimenez. Spiking neural p systems. anoverview. In Advancing Artificial Intelligence through Biological Pro-cess Applications (A.B. Porto, A. Pazos, W. Buno, eds.), Idea GroupPubl., London, 2008.

[1118] Gh. Paun and M.J. Perez-Jimenez. Spiking neural p systems. recentresults, research topics. submitted, 2008.

[1119] Gh. Paun, M.J. Perez-Jimenez, and A. Salomaa. Bounding the indegreeof spiking neural p systems. Technical report, TUCS Technical Report773, 2006.

[1120] Gheorghe Paun. Computing with membranes. Technical Report 208,Turku Center for Computer Science-TUCS, 1998. (www.tucs.fi).

[1121] Gheorghe Paun. Computing with membranes. A correction. Two prob-lems and some bibliographical remarks. Bulletin of the EATCS, (69):141–144, October 1999.

[1122] Gheorghe Paun. Computing with membranes. An introduction. Bulletinof the EATCS, (67):139–152, February 1999.

[1123] Gheorghe Paun. Computing with membranes. Journal of Computer andSystem Sciences, 61(1):108–143, 2000. and Turku Center for ComputerScience-TUCS Report No 208.

[1124] Gheorghe Paun. Computing with membranes: Attacking NP-completeproblems. In I. Antoniou, Cristian Calude, and M.J. Dinneen, editors,Unconventional Models of Computation, pages 94–115, London, February2000. Springer-Verlag. Invited paper.

[1125] Gheorghe Paun. Computing with membranes (P systems): A variant.International Journal of Foundations of Computer Science, 11(1):167–182, March 2000. and CDMTCS TR 098, Univ. of Auckland, 1999(www.cs.auckland.ac.nz/CDMTCS).

[1126] Gheorghe Paun. Computing with membranes (P systems): Twenty sixresearch topics. Technical Report 119, University of Auckland, 2000.CDMTCS TR 119 (www.cs.auckland.ac.nz/ CDMTCS).

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[1127] Gheorghe Paun. From cells to computers: Computing with membranes(P systems). In Rudolf Freund and Alica Kelemenova, editors, Proc. In-tern. Workshop Grammar Systems 2000, pages 9–40, Bad Ischl, Austria,July 2000.

[1128] Gheorghe Paun. On the generative power of P systems. In Rudolf Freund,editor, Theorietag 2000. Workshop on New Computing Paradigms, pages59–78. TU University Vienna, 2000.

[1129] Gheorghe Paun. From cells to computers: Computing with membranes(P systems). BioSystems, 59(3):139–158, March 2001.

[1130] Gheorghe Paun. Further research topics about P systems. Technical Re-port 17/01, Rovira i Virgili University, Tarragona, Spain, 2001. TechnicalReport 17/01 of Research Group on Mathematical Linguistics.

[1131] Gheorghe Paun. Further research topics about P systems. In Pre-Proceedings of Workshop on Membrane Computing, Curtea de Arges,Romania, August 2001.

[1132] Gheorghe Paun. P systems with active membranes: Attacking NP-Complete problems. Journal of Automata, Languages and Combina-torics, 6(1):75–90, 2001. and CDMTCS TR 102, Univ. of Auckland,1999 (www.cs. auckland.ac.nz/CDMTCS).

[1133] Gheorghe Paun. Membrane Computing. An Introduction. Springer-Verlag, Berlin, 2002.

[1134] Gheorghe Paun. Descriptional complexity issues in membrane comput-ing. In Proc. of DCFS Workshop, pages 66–77, Budapest, Hungary, 2003.

[1135] Gheorghe Paun. Membrane computing. In Andrzej Lingas and Bengt J.Nilsson, editors, Fundamentals of Computation Theory 14th Interna-tional Symposium, FCT 2003, Malmo, Sweden, August 12-15, 2003,Proceedings., volume 2751 of Lecture Notes in Computer Science, pages284–295. Springer, 2003.

[1136] Gheorghe Paun. Further open problems in membrane computing. Tech-nical Report 01/2004, Dept. of Computer Sciences and Artificial Intelli-gence, Univ. of Sevilla, 2004.

[1137] Gheorghe Paun. Further open problems in Membrane Computing,Sevilla, Spain, february 2–7 2004. In Gheorghe Paun, Agustın Riscos-Nunez, Alvaro Romero-Jimenez, and Fernando Sancho-Caparrini, ed-itors, Second Brainstorming Week on Membrane Computing, Sevilla,Spain, February 2-7 2004, pages 354–365, Sevilla, Spain, February 2-72004.

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[1138] Gheorghe Paun. Grammar systems vs. membrane computing: A prelim-inary approach. In Pre-Proceedings of Workshop on Grammar Systems,Computer and Automation Research Institute (SZTAKI) of the Hungar-ian Academy of Sciences (MTA)., pages 225–245, Budapest, July 5-92004.

[1139] Gheorghe Paun. Introduction to membrane computing. In First brain-storming Workshop on Uncertainty in Membrane Computing, Palma deMallorca, Spain, November 2004, 2004.

[1140] Gheorghe Paun. Learning new computing models from biology: Mem-brane computing. In International Conference on Computers andCommunications-ICCC 2004, Baile Felix Spa, Oradea, ROMANIA,Oradea, ROMANIA, May 27-29 2004.

[1141] Gheorghe Paun. Membrane computing (after the Second BrainstormingWeek, Sevilla, february 2004). Bulletin of the EATCS, June 2004.

[1142] Gheorghe Paun. Membrane computing. An introduction. In Pre-Proc. Unconventional Programming Paradigms, UPP04, Le Mont Saint-Michel, pages 39–48, September 2004.

[1143] Gheorghe Paun. Membrane computing: Main ideas, basic results, appli-cations. Idea Group Publ., London, 2004.

[1144] Gheorghe Paun. Membrane computing: Power and efficiency (a quickoverview). In THE TENTH INTERNATIONAL MEETING ON DNACOMPUTING (DNA 10), Universita’ di Milano-Bicocca, Milan, Italy,Milan, Italy, June 7-10 2004.

[1145] Gheorghe Paun. Membrane Computing: Some Non-standard Ideas,volume 2950 of Lecture Notes in Computer Science, pages 322–337.Springer, 2004.

[1146] Gheorghe Paun. Membrane computing. Some recent results and currentresearch topics. Kronos Editorial, Sevilla, 2004.

[1147] Gheorghe Paun. Membrane systems: From cells to computers. In WoL-LIC’2004 11th Workshop on Logic, Language, Information and Compu-tation, July 19th to 22nd, 2004, Paris, France, Paris, France, July 19thto 22nd 2004.

[1148] Gheorghe Paun. Further twenty six open problems in membrane com-puting. In Proceedings of the Third Brainstorming Week on MembraneComputing, Sevilla (Spain), January 31st - February 4th, pages 249–262,2005.

[1149] Gheorghe Paun. Further twenty-six open problems in membrane com-puting. In Third Brainstorming Week on Membrane Computing, Sevilla,2005, Sevilla, 2005.

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[1150] Gheorghe Paun. Membrane computing: Power, efficiency, applications.Submitted, 2005.

[1151] Gheorghe Paun. One more universality result for P systems with ob-jects on membranes. In Proceedings of the Third Brainstorming Weekon Membrane Computing, Sevilla (Spain), January 31st - February 4th,pages 263–274, 2005.

[1152] Gheorghe Paun. 2006 research topics in membrane computing.Nanuscript, 2006.

[1153] Gheorghe Paun. 2006 research topics in membrane computing. InMiguel Angel Gutierrez-Naranjo, Gheorghe Paun, Agustın Riscos-Nunez,and Francisco Jose Romero-Campero, editors, Fourth BrainstormingWeek on Membrane Computing, Sevilla, January 30 - February 3, 2006.Volume II, pages 235–252. Fenix Editora, 2006.

[1154] Gheorghe Paun and R. Paun. Membrane computing and economics:Numerical p systems. Submitted, 2005.

[1155] Gheorghe Paun and R. Paun. Membrane computing as a framework formodeling economic processes. Submitted, 2005.

[1156] Gheorghe Paun, Juan Pazos, Mario Jesus Perez-Jimenez, and AlfonsoRodriguez-Paton. Symport/antiport P systems with three objects areuniversal. Fundamenta Informaticae, 2005. To appear.

[1157] Gheorghe Paun and Mario J. Perez-Jimenez. Recent computing mod-els inspired from biology: DNA and membrane computing. Theoria,18(46):71–84, 2003.

[1158] Gheorghe Paun, Mario J. Perez-Jimenez, and Agustın Riscos-Nunez. Psystems with tables of rules. Technical Report 01/2004, Dept. of Com-puter Sciences and Artificial Intelligence, Univ. of Sevilla, 2004.

[1159] Gheorghe Paun, Mario J. Perez-Jimenez, and Agustın Riscos-Nunez.P systems with tables of rules. In Gheorghe Paun, Agustın Riscos-Nunez, Alvaro Romero-Jimenez, and Fernando Sancho-Caparrini, ed-itors, Second Brainstorming Week on Membrane Computing, Sevilla,Spain, February 2-7 2004, pages 366–379, Sevilla, Spain, February 2-72004.

[1160] Gheorghe Paun, Mario J. Perez-Jimenez, and Agustın Riscos-Nunez. Tis-sue P systems with cell division. Technical Report 01/2004, Dept. ofComputer Sciences and Artificial Intelligence, Univ. of Sevilla, 2004.

[1161] Gheorghe Paun, Mario J. Perez-Jimenez, and Agustın Riscos-Nunez. Tis-sue P systems with cell division. In Gheorghe Paun, Agustın Riscos-Nunez, Alvaro Romero-Jimenez, and Fernando Sancho-Caparrini, ed-itors, Second Brainstorming Week on Membrane Computing, Sevilla,

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Spain, February 2-7 2004, pages 380–386, Sevilla, Spain, February 2-72004.

[1162] Gheorghe Paun, Mario J. Perez-Jimenez, and Fernando Sancho-Caparrini. On the reachability problem for P Systems with porters.Submitted, 2001. Proc. AFL10, Debrecen, 2002.

[1163] Gheorghe Paun and M.J. Perez-Jimenez. Membrane computing: Briefintroduction, recent results and applications. Submitted, 2005.

[1164] Gheorghe Paun, M.J. Perez-Jimenez, and G. Rozenberg. Infinite spiketrains in spiking neural p systems. Submitted, 2005.

[1165] Gheorghe Paun, M.J. Perez-Jimenez, and G. Rozenberg. Spike trains inspiking neural p systems. Submitted, 2005.

[1166] Gheorghe Paun, Agustın Riscos-Nunez, Alvaro Romero-Jimenez, andFernando Sancho-Caparrini, editors. Second Brainstorming Week onMembrane Computing, Sevilla, Spain, Feb 2-7, 2004, 2004.

[1167] Gheorghe Paun and Grzegorz Rozenberg. A guide to membrane com-puting. Theoretical Computer Science, 287(1):73–100, September 2002.

[1168] Gheorghe Paun, Grzegorz Rozenberg, and Arto Salomaa. Membranecomputing with external output. Technical Report 218, Turku Centerfor Computer Science-TUCS, 1998. Report No 218 (www.tucs.fi).

[1169] Gheorghe Paun, Grzegorz Rozenberg, and Arto Salomaa. Membranecomputing with external output. Fundamenta Informaticae, 41(3):313–340, February 2000.

[1170] Gheorghe Paun, Grzegorz Rozenberg, Arto Salomaa, and Claudio Zan-dron, editors. Membrane Computing. International Workshop, WMC-CdeA 2002, Curtea de Arges, Romania, August 19-23, 2002, RevisedPapers, volume 2597 of Lecture Notes in Computer Science, Berlin, 2003.Springer-Verlag. 423 + viii pages.

[1171] Gheorghe Paun, Yasubumi Sakakibara, and Takashi Yokomori. P Sys-tems on graphs of restricted forms. Publicationes Mathematicae Debre-cen, to appear, 2004. Publicationes Mathematicae Debrecen, to appear.

[1172] Gheorghe Paun, Yasuhiro Suzuki, and Hiroshi Tanaka. P systems withenergy accounting. International Journal of Computer Mathematics,78(3):343–364, 2001.

[1173] Gheorghe Paun, Yasuhiro Suzuki, Hiroshi Tanaka, and Takashi Yoko-mori. On the power of membrane division in P systems. TheoreticalComputer Science, 324(1):61–85, September 2004.

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[1174] Gheorghe Paun and Gabriel Thierrin. Multiset processing by means ofsystems of finite state transducers. Technical Report 101, University ofAuckland. CDMTCS Report (www.cs.auckland.ac.nz/CDMTCS).

[1175] Gheorghe Paun and Gabriel Thierrin. Multiset processing by means ofsystems of finite state transducers. In Pre-Proceedings of Workshop onImplementing Automata WIA99, Potsdam, August 1999.

[1176] Gheorghe Paun and Takashi Yokomori. Membrane computing based onsplicing. In E. Winfree and D. Gifford, editors, Preliminary Proceedingsof Fifth International Meeting on DNA Based Computers, pages 213–227.MIT, June 1999.

[1177] Gheorghe Paun and Takashi Yokomori. Simulating HSystems by P systems. Journal of Universal Com-puter Science, 6(1):178–193, 2000. (www.iicm.edu/jucs).http://www.jucs.org/jucs_6_1/simulating_h_systems_by.

[1178] Gheorghe Paun and Sheng Yu. On synchronization in P systems. Tech-nical Report 539, University of Western Ontario, Ontario, Canada, 1999.Report TR 539 (www.csd.uwo.ca/faculty/syu/TR539.html).

[1179] Gheorghe Paun and Sheng Yu. On synchronization in P systems. Fun-damenta Informaticae, 38(4):397–410, June 1999.

[1180] Gheorghe Paun and Claudio Zandron, editors. Pre-Proceedings of Work-shop on Membrane Computing, Curtea de Arges, Romania, August 2002,August 2002. and MolCoNet Publucation N 1, 2002 (394 pages).

[1181] R. Paun. Producers, retailers, and their investments. a membrane com-puting approach. manuscript, 2005.

[1182] Juan Pazos, Alfonso Rodrıguez-Paton, and Andres Silva. Solving SATin linear time with a neural-like membrane system. In Jose Mira andJose R. Alvarez, editors, Artificial Neural Nets. Problem Solving Meth-ods 7th International Work-Conference on Artificial and Natural NeuralNetworks, IWANN 2003, Mao, Menorca, Spain, June 3-6. Proceedings,Part II., volume 2687 of Lecture Notes in Computer Science, pages 662–669. Springer, 2003.

[1183] Antonio Perez-Jimenez, Mario J. Perez-Jimenez, and Fernando Sancho-Caparrini. Computing a partial mapping by a P system: Design andverification. Technical Report 26, Rovira i Virgili University, 2003.

[1184] Antonio Perez-Jimenez, Mario J. Perez-Jimenez, and Fernando Sancho-Caparrini. Computing a partial mapping by a P system: Design andverification. In Matteo Cavaliere, Carlos Martın-Vide, and GheorghePaun, editors, Brainstorming Week on Membrane Computing, Tarrag-ona, February 5-11 2003, pages 247–260, Tarragona, February 5-11 2003.

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[1185] Antonio Perez-Jimenez, Mario J. Perez-Jimenez, and Fernando Sancho-Caparrini. Computing a partial mapping by P Systems: Design and ver-ification, 2003. M. Cavaliere, C. Martın-Vide, Gh. Paun (Eds), Brain-storming Week on Membrane Computing; Tarragona, Feb 5-11 2003,247-260.

[1186] Antonio Perez-Jimenez, Mario J. Perez-Jimenez, and Fernando Sancho-Caparrini. Formal verification of a transition P system generating theset 2n + n2 + n|n > 1. Technical Report 26, Rovira i Virgili University,2003.

[1187] Antonio Perez-Jimenez, Mario J. Perez-Jimenez, and Fernando Sancho-Caparrini. Formal verification of a transition P system generating theset 2n + n2 + n|n > 1. In Matteo Cavaliere, Carlos Martın-Vide, andGheorghe Paun, editors, Brainstorming Week on Membrane Computing,Tarragona, February 5-11 2003, pages 261–269, Tarragona, February 5-11 2003.

[1188] Mario J. Perez-Jimenez. An approach to computational complexity inmembrane computing. In First brainstorming Workshop on Uncertaintyin Membrane Computing, Palma de Mallorca, Spain, November 2004,2004.

[1189] Mario J. Perez-Jimenez. Complexity clsses in membrane computing.In Pre-proceedings of the Fifth Workshop on Membrane Computing(WMC5), Milano, Italy, June 2004, pages 63–63, Milano, Italy, June2004.

[1190] Mario J. Perez-Jimenez and Agustın Riscos-Nunez. A linear-time solu-tion for the Knapsack problem using active membranes. In Artiom Al-hazov, Carlos Martın-Vide, and Gheorghe Paun, editors, Preproceedingsof the Workshop on Membrane Computing, pages 326–342, Tarragona,July 17-22 2003.

[1191] Mario J. Perez-Jimenez and Agustın Riscos-Nunez. A linear-time solu-tion to the Knapsack problem using P systems with active membranes. InCarlos Martın-Vide, Giancarlo Mauri, Gheorghe Paun, Grzegorz Rozen-berg, and Arto Salomaa, editors, Membrane Computing, InternationalWorkshop, WMC 2003, Tarragona, Spain, July, 17-22, 2003, RevisedPapers, volume 2933 of Lecture Notes in Computer Science, pages 250–268. Springer, July 2003.

[1192] Mario J. Perez-Jimenez and Francisco Jose Romero-Campero. A CLIPSsimulator for recognizer P systems with active membranes. TechnicalReport 01/2004, Dept. of Computer Sciences and Artificial Intelligence,Univ. of Sevilla, 2004.

[1193] Mario J. Perez-Jimenez and Francisco-Jose Romero-Campero. A CLIPSsimulator for recognizer P systems with active membranes. In Gheorghe

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Paun, Agustın Riscos-Nunez, Alvaro Romero-Jimenez, and FernandoSancho-Caparrini, editors, Second Brainstorming Week on MembraneComputing, Sevilla, Spain, February 2-7 2004, pages 387–413, Sevilla,Spain, February 2-7 2004.

[1194] Mario J. Perez-Jimenez and Francisco Jose Romero-Campero. An effi-cient family of P systems for packing items into bins. Journal of UniversalComputer Science, 10(5):650–670, May 2004.

[1195] Mario J. Perez-Jimenez and Francisco Jose Romero-Campero. Mem-brane computing as production systems, pages 167–204. Kronos Editorial,Sevilla, 2004. To appear.

[1196] Mario J. Perez-Jimenez and Francisco Jose Romero-Campero. Solvingthe BINPACKING problem by recognizer P systems with active mem-branes. Technical Report 01/2004, Dept. of Computer Sciences and Ar-tificial Intelligence, Univ. of Sevilla, 2004.

[1197] Mario J. Perez-Jimenez and Francisco-Jose Romero-Campero. Solv-ing the BINPACKING problem by recognizer P systems with activemembranes. In Gheorghe Paun, Agustın Riscos-Nunez, Alvaro Romero-Jimenez, and Fernando Sancho-Caparrini, editors, Second BrainstormingWeek on Membrane Computing, Sevilla, Spain, February 2-7 2004, pages414–430, Sevilla, Spain, February 2-7 2004.

[1198] Mario J. Perez-Jimenez and Francisco-Jose Romero-Campero. Trad-ing polarizations for bi-stable catalysts in P systems with active mem-branes. In Pre-proceedings of the Fifth Workshop on Membrane Com-puting (WMC5), Milano, Italy, June 2004, pages 327–342, Milano, Italy,June 2004.

[1199] Mario J. Perez-Jimenez and Francisco Jose Romero-Campero. Modellingegfr signalling network using continuous membrane systems. Submitted,2005.

[1200] Mario J. Perez-Jimenez, Alvaro Romero-Jimenez, and Fernando Sancho-Caparrini. Decision P systems and the P 6= NP conjecture. In Pre-Proceedings of Second Workshop on Membrane Computing, Curtea deArges, Romania, August 2002.

[1201] Mario J. Perez-Jimenez, Alvaro Romero-Jimenez, and Fernando Sancho-Caparrini. Teorıa de la complejidad en modelos de computacion celularcon membranas. Kronos Editorial, Sevilla, 2002.

[1202] Mario J. Perez-Jimenez, Alvaro Romero-Jimenez, and Fernando Sancho-Caparrini. Complexity classes in cellular computing with membranes.Technical Report 26, Rovira i Virgili University, 2003.

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[1203] Mario J. Perez-Jimenez, Alvaro Romero-Jimenez, and Fernando Sancho-Caparrini. Complexity classes in cellular computing with membranes.In Matteo Cavaliere, Carlos Martın-Vide, and Gheorghe Paun, editors,Brainstorming Week on Membrane Computing, Tarragona, February 5-11 2003, pages 270–278, Tarragona, February 5-11 2003.

[1204] Mario J. Perez-Jimenez, Alvaro Romero-Jimenez, and Fernando Sancho-Caparrini. Complexity classes in models of cellular computing with mem-branes. Natural Computing, 2(3):265–285, August 2003.

[1205] Mario J. Perez-Jimenez, Alvaro Romero-Jimenez, and Fernando Sancho-Caparrini. Decision P systems and the P 6= NP conjecture. In GheorghePaun, Grzegorz Rozenberg, Arto Salomaa, and Claudio Zandron, edi-tors, Membrane Computing: International Workshop, WMC-CdeA 2002,Curtea de Arges, Romania, August 19-23, 2002. Revised Papers., volume2597 of Lecture Notes in Computer Science, pages 388–399, Curtea deArges, Romania, July 2003. Springer-Verlag, Berlin.

[1206] Mario J. Perez-Jimenez, Alvaro Romero-Jimenez, and Fernando Sancho-Caparrini. Solving VALIDITY problem by active membranes with input.Technical Report 26, Rovira i Virgili University, 2003.

[1207] Mario J. Perez-Jimenez, Alvaro Romero-Jimenez, and Fernando Sancho-Caparrini. Solving VALIDITY problem by active membranes with input.In Matteo Cavaliere, Carlos Martın-Vide, and Gheorghe Paun, editors,Brainstorming Week on Membrane Computing, Tarragona, February 5-11 2003, pages 279–290, Tarragona, February 5-11 2003.

[1208] Mario J. Perez-Jimenez, Alvaro Romero-Jimenez, and Fernando Sancho-Caparrini. Modelos de computacion celular con membranas. Boletinde la Sociedad Espanola de Matematica Aplicada, (29):57–88, September2004.

[1209] Mario J. Perez-Jimenez, Alvaro Romero-Jimenez, and Fernando Sancho-Caparrini. The P versus NP problem through cellular computing withmembranes, volume 2950 of Lecture Notes in Computer Science, pages338–352. Springer, 2004.

[1210] Mario J. Perez-Jimenez and Fernando Sancho-Caparrini. Computacioncelular con membranas: Un modelo no convencional. Kronos Editorial,Sevilla, 2002.

[1211] Mario J. Perez-Jimenez and Fernando Sancho-Caparrini. A formaliza-tion of transition P systems. Fundamenta Informaticae, 49(1-3):261–271,January 2002. Special Issue: Membrane Computing (WMC-CdeA2001)Guest Editor(s): Carlos Martın-Vide, Gheorghe Paun.

[1212] Mario J. Perez-Jimenez and Fernando Sancho-Caparrini. Verifying a Psystem generating squares. Romanian Journal of Information Scienceand Technology, 5(2-3), 2002.

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[1213] Mario J. Perez-Jimenez and Fernando Sancho-Caparrini. Verification ofnon-deterministic transition P systems solving SAT problem. TechnicalReport 26, Rovira i Virgili University, 2003.

[1214] Mario J. Perez-Jimenez and Fernando Sancho-Caparrini. Verification ofnon-deterministic transition P systems solving SAT problem. In MatteoCavaliere, Carlos Martın-Vide, and Gheorghe Paun, editors, Brainstorm-ing Week on Membrane Computing, Tarragona, February 5-11 2003,pages 291–304, Tarragona, February 5-11 2003.

[1215] Mario Jesus Perez-Jimenez. Computational complexity aspects of mem-brane computing: Ideas, results, open problems. In Proceedings ofthe ESF Exploratory Workshop on Cellular Computing (Complexity As-pects), Sevilla (Spain), January 31st - February 2nd, pages 277–292,2005.

[1216] M.J. Perez-Jimenez. P systems-based modelling of cellular signallingpathways. In H.J. Hoogeboom, Gh. Paun, and G. Rozenberg, edi-tors, Pre-proceedings of Membrane Computing, International Workshop,WMC7, pages 54–73, Leiden, The Netherlands, 2006.

[1217] M.J. Perez-Jimenez. P systems-based modelling of cellular signallingpathways. In H.J. Hoogeboom, Gh. Paun, and G. Rozenberg, edi-tors, Pre-proceedings of Membrane Computing, International Workshop,WMC7, pages 54–73, Leiden, The Netherlands, 2006.

[1218] M.J. Perez-Jimenez. P systems-based modelling of cellular signallingpathways. In H.J. Hoogeboom, Gh. Paun, and G. Rozenberg, edi-tors, Pre-proceedings of Membrane Computing, International Workshop,WMC7, pages 54–73, Leiden, The Netherlands, 2006.

[1219] M.J. Perez-Jimenez and F.J. Romero-Campero. Modelling vibrio fis-cheri’s behaviour using p systems. accepted in the Systems BiologyWorkshop, ECAL 2005, September 2005.

[1220] M.J. Perez-Jimenez and F.J. Romero-Campero. A study of the robust-ness of the egfr signalling cascade using continuos membrane systems.In First Intern. Work-Conference on the Interplay between Natural andArtificial Computation, IWINAC 2005, Las Palmas de Gran Canaria,2005.

[1221] M.J. Perez-Jimenez, Alvaro Romero-Jimenez, and Fernando Sancho-Caparrini. Hard problems addressed through P Systems. Submitted,2004.

[1222] M.J. Perez-Jimenez and T. Yokomori. Membrane computing schemabased on string insertions. In M.A. Gutierrez-Naranjo, Gh. Paun,A. Romero-Jimenez, and A. Nunez, editors, Proceedings of the FifthBrainstorming Week on Membrane Computing, pages 281– 298, Sevilla(Spain), January 29th - February 2 2007.

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[1223] D. Pescini, D. Besozzi, and G. Mauri. Investigating local evolutions indynamical probabilistic p systems. In in G. Ciobanu, Gh. Paun, Pre-Proc. of First International Workshop on Theory and Application of PSystems, Timisoara, Romania, September 26-27, pages 83–90, 2005.

[1224] Dario Pescini, Daniela Besozzi, Giancarlo Mauri, and Claudio Zandron.Dynamical probabilistic P systems. International Journal of Foundationsof Computer Science, 17(1):183–204, February 2006.

[1225] Dario Pescini, Daniela Besozzi, Claudio Zandron, and Giancarlo Mauri.Dynamical probabilistic P systems: Definitions and applications. InProceedings of the Third Brainstorming Week on Membrane Computing,Sevilla (Spain), January 31st - February 4th, pages 275–288, 2005.

[1226] Dario Pescini, Paolo Cazzaniga, Claudio Ferretti, and Giancarlo Mauri.First steps towards a wet implementation for τ -DPP. In David WolfeCorne, Pierluigi Frisco, Gheorghe Paun, Grzegorz Rozenberg, and ArtoSalomaa, editors, Membrane Computing: 9th International Workshop,volume 5391 of Lecture Notes in Computer Science, pages 355–373, 2009.

[1227] Ion Petre. A normal form for P systems. Bulletin of the EATCS,(67):165–172, February 1999.

[1228] Ion Petre and Luigia Petre. Mobile ambients and P systems. In Workshopon Formal Languages, FCT99, Iasi, 1999.

[1229] Ion Petre and Luigia Petre. Mobile ambients and P systems. Journal ofUniversal Computer Science, 5(9):588–598, 1999.

[1230] Biljana Petreska and Christof Teuscher. A hardware membrane system.In Artiom Alhazov, Carlos Martın-Vide, and Gheorghe Paun, editors,Preproceedings of the Workshop on Membrane Computing, pages 343–355, Tarragona, July 17-22 2003.

[1231] Biljana Petreska and Christof Teuscher. A reconfigurable hardware mem-brane system. In Carlos Martın-Vide, Giancarlo Mauri, Gheorghe Paun,Grzegorz Rozenberg, and Arto Salomaa, editors, Membrane Comput-ing, International Workshop, WMC 2003, Tarragona, Spain, July, 17-22, 2003, Revised Papers, volume 2933 of Lecture Notes in ComputerScience, pages 269–285. Springer, July 2003.

[1232] G. Michele Pinna and Andrea Saba. An event based semantics of psystems. In Gabriel Ciobanu, editor, Second International Meeting onMembrane Computing and Biologically Inspired Process Calculi, pages174–187, 2008.

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[1234] A. Porreca, G. Mauri, and C. Zandron. Complexity classes for membranesystems. Submitted, 2005.

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